Power products
Voltage stabilizers, UPS, static transfer switches, batteries and isolation transformers — from 1 kVA to 2000 kVA for every load.

STS 000 Series (3-phase)
Three-phase 3/4-pole static transfer switch for seamless source switching.
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DLT 300Hi – Integrated Isolation Transformer (100–300 kVA)
The Delta DLT 300HI series consists of 3-phase online UPS units with power ratings ranging from 100 to 300 kVA; these units feature an integrated isolation transformer and utilize IGBT and PWM control technologies.
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Series DLT 300 LO Integrated Isolation Transformer (10–80 kVA)
The Delta DLT 300 is a 3-phase online UPS with a power range of 10–80 kVA; it utilizes IGBT technology, PWM control, and microcontroller-based management, delivers a pure sine wave output, supports parallel configuration, and features an integrated galvanic isolation transformer.
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Delta DLT SRV Series 11 Servo Regulator
Servo motor regulator (single-phase), 5 - 45 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
View detailVRLA Batteries for UPS
Sealed VRLA batteries with long service life for UPS systems.
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STS 3000 Series (3-phase)
Three-phase 3/4-pole static transfer switch for seamless source switching.
View detailDelta Premium 1-1 Series UPS
Single-phase online double-conversion UPS for small server rooms and network gear.
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MAXX Series Voltage Stabilizer (1-phase)
Single-phase voltage stabilizer protecting equipment from voltage fluctuation.
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Delta DLT SRV Series 33 LO Servo Regulator
Servo motor regulator (three-phase), 15 - 600 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
View detailDelta Superior Series UPS
Three-phase online UPS for data centers and critical infrastructure.
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DLT SRV Series 11 Servo Regulator (1-phase)
Single-phase servo motor regulator with high accuracy for industrial loads.
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Delta DLT SRV Series 33 HI Servo Regulator
Servo motor regulator (three-phase), 600 - 2000 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
View detailDS300 Series UPS (DSP/IGBT)
Three-phase DSP/IGBT UPS with high efficiency across a wide power range.
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Delta DLT SRV Series 33 LO Servo Voltage Stabilizer
Three-phase high-capacity servo regulator for factories and buildings.
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DLT STK Series 11 Single-phase Regulator
Static (thyristor) regulator (single-phase), 1 - 45 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
View detailDelta Crystal Series UPS
Compact UPS for offices, PCs and POS devices.
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DLT STK Series 33 Three-Phase Regulator
Static (thyristor) regulator (three-phase), 15 - 500 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
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SO-HO Type Regulators
Relay-type regulator (single-phase), 0.5 - 12 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
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Relay Voltage Regulator
Relay-type regulator (single-phase), 1 - 12 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
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Delta Crystal Series
Line-interactive/online UPS (single-phase), 1 - 3 kVA, delivering continuous, clean power for small servers, network devices, CCTV and POS terminals.
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Delta Premium 1-1 Series 3-20 kVA
Online double-conversion UPS (single-phase), 3 - 20 kVA, delivering continuous, clean power for small servers, network devices, CCTV and POS terminals.
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Delta Superior Series 10-160 kVa
Online double-conversion UPS (three-phase), 10 - 160 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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DS300 10-160 kVA UPS DSP IGBT
DSP/IGBT online UPS (three-phase), 10 - 160 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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Batteries
Sealed VRLA batteries for UPS systems, offering long service life and maintenance-free operation.
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DS300 PWR-SERIES 200-500kVA
High-power online UPS (three-phase), 200 - 500 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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DLT-100 Single phase Transformer based UPS 2-15kVA
Transformer-based online UPS (single-phase), 2 - 15 kVA, delivering continuous, clean power for small servers, network devices, CCTV and POS terminals.
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MAXX Series 11-Single Phase Voltage Stabilizers
Voltage stabilizer (single-phase), 1 - 45 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
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Isolation / Auto Transformers
Isolation and auto transformers for voltage conversion and galvanic isolation in power systems.
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1 Phase / 2 Pole STS
Single-phase, 2-pole Static Transfer Switch (STS) providing seamless switching between two independent power sources.
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DLT-200 Series 3:1 Phase UPS
Transformer-based online UPS (3-phase in / 1-phase out), 10 - 40 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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DS-300T SERIES Uninterruptible Power Supply 10-500kVA
Transformer-based online UPS (three-phase), 10 - 500 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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DS POWER U1 UPS 15-250kVA for Latin America
Online double-conversion UPS (three-phase), 15 - 250 kVA, delivering continuous, clean power for data centers, critical infrastructure, production lines and industrial equipment.
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Laser Series
Voltage regulator (single-phase), 1 - 30 kVA, automatically stabilizing voltage and protecting equipment from mains fluctuation.
View detailCan't find the power rating you need?
We build to your own load configuration and advise on replacing ageing equipment.