Address- Lusaka Close -Off Lusaka Road- Industrial Area
Generators
Generators
Perkins Generators
Cummins Generators
Automatic Voltage Regulators (AVRs)
Automatic Voltage Regulators (AVRs)
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Our Top Automatic Voltage Regulators (AVRs) [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Automatic Voltage Regulators (AVRs)" tab_id="1746746406629-59f2baed-da4c"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="avrs" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA=="]
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IREM AVRs [vc_tta_section title="IREM AVRs" tab_id="1746746406665-136ea6ae-fb1e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="irem-avr"]
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Ortea AVRS [vc_tta_section title="Ortea AVRS" tab_id="1746746406704-9715ddc0-0ec9"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="ortea-avr"]
Uninterruptible Power Supply (UPS)
Uninterruptible Power Supply (UPS)
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Our Top Uninterruptible Power Supply (UPS) [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Uninterruptible Power Supply (UPS)" tab_id="1746828915750-c7c855df-0d7f"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="abb-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="ABB"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="easton-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="Eaton"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="apc-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="APC"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="galaxy-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="Galaxy"]
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ABB UPS [vc_tta_section title="ABB UPS" tab_id="1746828915792-f98981a1-8825"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="abb-ups"]
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Eaton UPS [vc_tta_section title="Eaton UPS" tab_id="1746829406995-ffd17ca7-bc8e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="easton-ups"]
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APC UPS [vc_tta_section title="APC UPS" tab_id="1746828915875-db3af9a0-d22e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="apc-ups"]
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Riello UPS [vc_tta_section title="Riello UPS" tab_id="1746829552975-f443afe5-f476"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="riello"]
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Galaxy UPS [vc_tta_section title="Galaxy UPS" tab_id="1746830002916-c6ef6415-dc22"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="galaxy-ups"]
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Easy UPS [vc_tta_section title="Easy UPS" tab_id="1746830061110-3bc34bda-876e"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="easy-ups, easy-ups-ups-power-supply-backup"]
ABB
Eaton
APC
Galaxy
The Easy UPS 3L is Schneider Electric’s high-capacity, three-phase UPS solution for large-scale power protection. Delivering between 250 and 600 kVA, the Easy UPS 3L is ideal for large data centers, industrial operations, hospitals, and critical infrastructure environments.
Engineered for reliability, scalability, and performance, the Easy UPS 3L provides robust protection from power outages, surges, and voltage fluctuations. With high-efficiency double conversion (up to 96%) and flexible battery configurations, it ensures maximum uptime with a low total cost of ownership.
The Riello Sentinel Rack UPS Series delivers robust, double-conversion online protection in a compact, 2U rack-mounted design. Available in 1.5 kVA and 3 kVA models, these units are purpose-built to protect servers, storage systems, VoIP equipment, routers, switches, and other sensitive IT and telecom infrastructure from power interruptions, fluctuations, and surges.
With advanced battery management, high output power factor (0.9), and smart energy-saving modes, the Sentinel Rack series ensures maximum uptime, extended battery life, and clean sine wave output — all within a low-profile form factor ideal for high-density rack environments.
Transformers
Transformers
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Our Top Transformers [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Transformers" tab_id="1746748205546-487fd411-bae2"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="transformers" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzUlNUQlMkMlNUIxMjAwJTJDNSU1RA=="]
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Power Transformers [vc_tta_section title="Power Transformers" tab_id="1746749305411-7514fbf4-b25c"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="power-transformers"]
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Distribution Transformers [vc_tta_section title="Distribution Transformers" tab_id="1746748205713-4be2fa65-ca54"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="distribution-transformers"]
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Special Transformers [vc_tta_section title="Special Transformers" tab_id="1746748894434-69eca719-9b52"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="custom-special-transformers"]
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Low Voltage Transformers [vc_tta_section title="Low Voltage Transformers" tab_id="1746748205637-4729d3e3-6842"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="low-voltage-transformers"]
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Medium Voltage Transformers [vc_tta_section title="Medium Voltage Transformers" tab_id="1746749036025-b83f33e5-30ac"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="medium-voltage-transformers"]
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Pole Mounted [vc_tta_section title="Pole Mounted" tab_id="1746749242227-7ef18354-9e92"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="pole-mounted"]
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Oil Immersed Transformers [vc_tta_section title="Oil Immersed Transformers" tab_id="1746749398906-3fa9e6a8-e9e7"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="oil-immersed-transformers"]
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Instrument Transformers [vc_tta_section title="Instrument Transformers" tab_id="1746749475200-40b89cb7-f221"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="instrument-transformers"]
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Unit-Substation Transformers [vc_tta_section title="Unit-Substation Transformers" tab_id="1746749618536-3e58e57f-403f"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="unit-substation-transformers-transformers"]
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Traction Transformers [vc_tta_section title="Traction Transformers" tab_id="1746749863225-8ac09e95-f735"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="traction-transformers"]
Power Supply & BackUps
Power Supply & Backups
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Our Top Power Supply & BackUp [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Power Supply & BackUp" tab_id="1746832091634-b07e5d1c-ac41"][vc_row_inner][vc_column_inner width="2/3"][s7upf_slide_carousel itemscustom="" pagination="true" animation="backSlide"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="irem-avr" image_size="thumbnail"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ups-power-supply-backup, avrs" image_size="thumbnail"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="2" word_excerpt="0" product_category="ortea-avr, sterostab-avr, irem-avr, huawei-batteries" image_size="300x200"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ups-power-supply-backup, avrs, riello" image_size="thumbnail"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ortea-avr, sterostab-avr" image_size="thumbnail"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="easy-ups" image_size="thumbnail"][/s7upf_slide_carousel][vc_cta h2="BUY NOW!" add_button="bottom" btn_title="Contact Stema Engineeering" btn_color="danger" btn_size="lg" btn_custom_onclick="true"]At Stema Engineering, we offer custom-made solutions to cater for all energy needs no matter the scale and capacity. This has earned us trust from top brands![/vc_cta][/vc_column_inner][vc_column_inner width="1/3"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" hide_price="true" product_category="generators" image_size="thumbnail" title="One Stop ENERGY Shop"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" order_by="rand" product_category="transformers" image_size="thumbnail"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" order_by="rand" product_category="ups-power-supply-backup" image_size="thumbnail"][vc_separator border_width="5"][s7upf_parent][s7upf_banner style="style2" image="1193"][/s7upf_banner][/s7upf_parent][/vc_column_inner][/vc_row_inner]
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Power BackUps/Stabilizers [vc_tta_section title="Power BackUps/Stabilizers" tab_id="1746832091691-799a3dd0-7558"][s7upf_products style="style2" product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="sterostab-avr, irem-avr, ortea-avr, ups-power-supply-backup"]
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Stabilizers [vc_tta_section title="Stabilizers" tab_id="1746832091753-7feada66-c086"][s7upf_products style="style2" product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="avrs"]
The APC Smart-UPS C 1500VA 2U Rackmount LCD 230V (SMC1500I-2U) is engineered to deliver advanced power protection for servers, network equipment, and storage systems in rack-mounted environments. With pure sine wave output, intelligent battery management, and an intuitive LCD interface, it is the perfect choice for small to medium-sized server rooms and IT infrastructure.
The APC Smart-UPS C 1500VA 2U Rackmount LCD 230V (SMC1500I-2U) is engineered to deliver advanced power protection for servers, network equipment, and storage systems in rack-mounted environments. With pure sine wave output, intelligent battery management, and an intuitive LCD interface, it is the perfect choice for small to medium-sized server rooms and IT infrastructure.
⚡ Overview of Easy UPS 3M – 60 to 200 kVA
The Schneider Electric Easy UPS 3M is a high-performance three-phase UPS designed to deliver robust power protection for medium to large facilities, including data centers, commercial buildings, manufacturing sites, and hospitals. Ranging from 60 kVA to 200 kVA, this model combines high efficiency, compact design, and resilient electrical performance for demanding electrical environments.
With up to 96% efficiency in double conversion mode, a user-friendly graphical interface, and parallel scalability, the Easy UPS 3M stands out for its low total cost of ownership (TCO) and ease of deployment, making it a smart investment for mission-critical applications.
BUY NOW!
At Stema Engineering, we offer custom-made solutions to cater for all energy needs no matter the scale and capacity. This has earned us trust from top brands!
One Stop ENERGY Shop
Solar Panels
Solar Panels
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Our Top Solar Panels [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Solar Panels" tab_id="1747308829625-ef3b2a6c-9bbb"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="solar-panels" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA=="]
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Jinko Cheetah Series [vc_tta_section title="Jinko Cheetah Series" tab_id="1747308829694-4bfc7656-697d"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-cheetah-solar-panels"]
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Jinko Tiger Series [vc_tta_section title="Jinko Tiger Series" tab_id="1747308829810-33d8571a-af7c"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="jinko-tiger"]
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Jinko Tiger Pro [vc_tta_section title="Jinko Tiger Pro" tab_id="1747308829886-6c571f8d-73ae"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-tiger-pro"]
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Jinko Tiger NEO [vc_tta_section title="Jinko Tiger NEO" tab_id="1747308829962-96edfbf8-286b"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-tiger-neo"]
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Jinko Swan [vc_tta_section title="Jinko Swan" tab_id="1747308830036-24c98e7f-07d0"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-swan"]
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Jinko Eagle Series [vc_tta_section title="Jinko Eagle Series" tab_id="1747308830114-6e97327b-ab81"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-eagle"]
Clean, Stable Power for Sensitive Loads | 0.5 – 20 kVA | Integrated Filtering & Protection
🔍 Product Overview
The Ortea Aquarius Plus is a high-performance power conditioner designed to deliver pure, regulated, and protected power to sensitive electrical and electronic equipment. With models ranging from 0.5 to 20 kVA, Aquarius Plus combines a servo-driven voltage stabilizer, EMI/RFI filters, surge protection, and galvanic isolation in a compact, robust unit.
Tailored for environments with dirty or unstable power—such as hospitals, labs, industrial PLCs, and telecom systems—the Aquarius Plus ensures equipment longevity and peak performance even in the face of voltage fluctuations, harmonics, and noise interference.
The Riello Sentinel Rack UPS Series delivers robust, double-conversion online protection in a compact, 2U rack-mounted design. Available in 1.5 kVA and 3 kVA models, these units are purpose-built to protect servers, storage systems, VoIP equipment, routers, switches, and other sensitive IT and telecom infrastructure from power interruptions, fluctuations, and surges.
With advanced battery management, high output power factor (0.9), and smart energy-saving modes, the Sentinel Rack series ensures maximum uptime, extended battery life, and clean sine wave output — all within a low-profile form factor ideal for high-density rack environments.
Batteries
Batteries
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Our Top Batteries [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Batteries" tab_id="1747312532181-cd5629be-bb81"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="batteries" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA=="][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="jinkosolar-batteries" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Jinko Solar"]
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Huawei Batteries [vc_tta_section title="Huawei Batteries" tab_id="1747312532322-590e513e-31e2"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="huawei-batteries"]
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Deye Batteries [vc_tta_section title="Deye Batteries" tab_id="1747312532413-990cf791-879f"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="deye-batteries"]
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JinkoSolar Batteries [vc_tta_section title="JinkoSolar Batteries" tab_id="1747312532497-217a3fda-677c"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinkosolar-batteries"]
Jinko Solar
⚡ Enterprise-Class Power for Mission-Critical Environments
The Eaton 93 Series – 93E, 93PM, and 93PS – delivers high-capacity online double-conversion UPS systems engineered for data centers, hospitals, manufacturing plants, telecom networks, and other mission-critical environments. Covering power capacities from 20 kVA up to 500+ kVA, these models offer exceptional power reliability, scalable battery runtime, intelligent energy optimization, and advanced remote monitoring.
Whether you're upgrading an existing facility or building a Tier III+ data center, the 93 series provides best-in-class efficiency, compact footprint, and proven Eaton engineering.
Overview: Reliable Backup Power for All Applications
The Eaton 3S, 5S, and 5E series of UPS (Uninterruptible Power Supply) systems provide robust, affordable, and efficient power protection for small offices, homes, SMEs, and critical business infrastructure. Spanning from 550VA to 2200VA, these Offline and Line-Interactive UPS units are designed to shield sensitive electronics and IT equipment from power fluctuations, blackouts, surges, and voltage drops.
Inverters
All Inverters
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Our Top Inverters [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Inverters" tab_id="1747316756077-595a2200-e667"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="huawei-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Huawei Inverters"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="deye-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Deye Inverters"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="jinko-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Jinko Inverters"]
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Huawei Inverters [vc_tta_section title="Huawei Inverters" tab_id="1747316756177-fa223041-a00d"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="huawei-inverters"]
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Deye Inverters [vc_tta_section title="Deye Inverters" tab_id="1747316756265-0bdfee84-7393"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="deye-inverters"]
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Jinko Inverters [vc_tta_section title="Jinko Inverters" tab_id="1747316756360-a7271e00-d1cd"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-inverters"]
Huawei Inverters
Deye Inverters
Jinko Inverters
🔍 Product Overview: IREM Sterostab T Series
The IREM Sterostab T Series is a high-performance three-phase voltage stabilizer, purpose-built for industrial, commercial, and utility-scale applications where power reliability is critical. Manufactured in Italy by IREM S.p.A., the T Series delivers precise voltage regulation for loads between 3 and 8,000+ kVA, correcting input voltage variations from ±15% to ±45% while maintaining a constant ±1% output accuracy.
These stabilizers are ideal for energy-intensive industries, including mining, oil & gas, manufacturing, data centers, and large healthcare facilities, where even brief voltage sags or surges can lead to severe equipment failures or data loss.
The APC Smart-UPS C 1500VA 2U Rackmount LCD 230V (SMC1500I-2U) is engineered to deliver advanced power protection for servers, network equipment, and storage systems in rack-mounted environments. With pure sine wave output, intelligent battery management, and an intuitive LCD interface, it is the perfect choice for small to medium-sized server rooms and IT infrastructure.