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PRAG 20KVA 45-280V Relay Voltage Stabilizer

527,000.00
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07 - 14 Dec, 2025
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The 20KVA Relay 45-280V Wall Voltage Stabilizer in Dark Grey is expertly engineered to deliver stable power output, ensuring the safety and longevity of your appliances in varying power conditions. Designed with an impressive input voltage range of 45-280V, this high-capacity stabilizer delivers a steady 220V output with a tolerance of ±10%, accommodating both 50Hz and 60Hz frequency requirements.

Equipped with a swift response system, it offers both short (3-5 seconds) and long (3-7 minutes) delay times, catering to sensitive electronic setups. Protection features include over-voltage cut-off at 246V±4V, overload protection, high-temperature safeguards, and short-circuit prevention, ensuring your devices and appliances are shielded against power fluctuations and overloads.

This model, with a power rating of 20000VA, boasts a compact design at 39x35x35 cm and fits seamlessly into various environments. The robust build, weighing in at 29.9 kg net weight (35.1 kg gross weight), ensures stability and durability in usage. With its sophisticated dark grey finish, this 20KVA stabilizer is perfect for homes, offices, and commercial establishments seeking reliable voltage regulation and enhanced equipment protection.

Model20KVAInput VoltageAC 45-280vOutput VoltageAC 220V±10%  50/60HzDelay TimeShort Delay: 3-5secs Long Delay: 3-7minsProtectionOver Voltage(246v±4V), Overload, High temperature, Short CircuitPower20000VAProduct Size(cm)39*35*35Packing Size(cm)45*41*44N.W.(kgs)29.9G.W.(kgs)35.1

Quick Comparison

PRAG 20KVA 45-280V Relay Voltage Stabilizer removeMercury 20KVA AVR 1-P Servo Type Stabilizer removeVertiv Liebert itON 400VA removeVertiv Liebert itON 2000VA UPS removeMercury Maverick 850VA UPS removeVertiv Liebert itON 1500VA E 230V IEC-IEC UPS remove
NamePRAG 20KVA 45-280V Relay Voltage Stabilizer removeMercury 20KVA AVR 1-P Servo Type Stabilizer removeVertiv Liebert itON 400VA removeVertiv Liebert itON 2000VA UPS removeMercury Maverick 850VA UPS removeVertiv Liebert itON 1500VA E 230V IEC-IEC UPS remove
ImagePRAG 20KVA 45-280V Relay Voltage StabilizerMercury 20KVA AVR 1-P Servo Type StabilizerVertiv Liebert itON 400VAVertiv Liebert itON 2000VA UPSMercury Maverick 850VA UPSVertiv Liebert itON 1500VA E 230V IEC-IEC UPS
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DescriptionThe 20KVA Relay 45-280V Wall Voltage Stabilizer in Dark Grey is expertly engineered to deliver stable power output, ensuring the safety and longevity of your appliances in varying power conditions. Designed with an impressive input voltage range of 45-280V, this high-capacity stabilizer delivers a steady 220V output with a tolerance of ±10%, accommodating both 50Hz and 60Hz frequency requirements. Equipped with a swift response system, it offers both short (3-5 seconds) and long (3-7 minutes) delay times, catering to sensitive electronic setups. Protection features include over-voltage cut-off at 246V±4V, overload protection, high-temperature safeguards, and short-circuit prevention, ensuring your devices and appliances are shielded against power fluctuations and overloads.Phase: Single Phase Output Voltage: Over-voltage Protection; Low-voltage Protection Display Model: LED / METER Wide Input Voltage Range 6 Steps Transformer Design In Voltage Stabilizing – For that extra reliability Voltage Protection – High / Low Voltage, High-Temperature Protection Soft Start Protection – Safeguards your expensive equipment Ideal for Heavy Duty Equipment
  • Apparent power: 400 VA
  • UPS architecture: line-interactive
  • Number of phases at the input: 1 (230V)
  • Number of batteries: 1
  • Voltage: 12 V
  • Battery capacity: 4.5 Ah
  • Charging time: 4 hours
  • Automatic voltage regulator (AVR with boost and trim)
  • Compact size
  • Light weight
  • Easy operation
  • Overload protection and alarm
  • Auto re-start with AC recovery
  • Fast Charging
  • Cold start function
Frequent power interruptions can lead to stress and delays in meeting project deadlines while working on your computer. The Mercury Maverick 850VA line interactive UPS provides a reliable power back up that enables you save your work the moment there is power interruption or public power outage. It has a wide voltage input range of 140~300VAC with a transfer time of 2 – 6ms and is compatible with generators and the erratic public power supply. Features • Built in AVR with wide input range of 140~300VAC • Auto restart • Output short circuit protection • Overload protection • Overcharge protection • Sleek and compact design with cpu control • Green function ( No load cut off ) Country wide maintenance and service centres available   Input Voltage                                                  220VAC Input Frequency                                              50Hz   Input Phase                                                      Single Input Socket                                                    With Fuse Input Range (220v)                                         140V – 300VAC Rating Output                                                   850VA/510V Battery Type                                                    12V/9AH x1 Dimension(mm)                                               283 x 101 x 140 Weight (Kg)                                                     4.4
  • Automatic voltage regulator (AVR with boost and trim)
  • Compact size
  • Light weight
  • Easy operation
  • Overload protection and alarm
  • Auto re-start with AC recovery
  • Fast charging
  • Cold start function
ContentThe 20KVA Relay 45-280V Wall Voltage Stabilizer in Dark Grey is expertly engineered to deliver stable power output, ensuring the safety and longevity of your appliances in varying power conditions. Designed with an impressive input voltage range of 45-280V, this high-capacity stabilizer delivers a steady 220V output with a tolerance of ±10%, accommodating both 50Hz and 60Hz frequency requirements. Equipped with a swift response system, it offers both short (3-5 seconds) and long (3-7 minutes) delay times, catering to sensitive electronic setups. Protection features include over-voltage cut-off at 246V±4V, overload protection, high-temperature safeguards, and short-circuit prevention, ensuring your devices and appliances are shielded against power fluctuations and overloads. This model, with a power rating of 20000VA, boasts a compact design at 39x35x35 cm and fits seamlessly into various environments. The robust build, weighing in at 29.9 kg net weight (35.1 kg gross weight), ensures stability and durability in usage. With its sophisticated dark grey finish, this 20KVA stabilizer is perfect for homes, offices, and commercial establishments seeking reliable voltage regulation and enhanced equipment protection. Model20KVAInput VoltageAC 45-280vOutput VoltageAC 220V±10%  50/60HzDelay TimeShort Delay: 3-5secs Long Delay: 3-7minsProtectionOver Voltage(246v±4V), Overload, High temperature, Short CircuitPower20000VAProduct Size(cm)39*35*35Packing Size(cm)45*41*44N.W.(kgs)29.9G.W.(kgs)35.1High precision auto voltage regulator power supply mainly consists of contact auto-transformer, servomotor, and an automatic control circuit. When grid voltage Is unstable or the load varies, the automatic control circuit drives the servo motor in compliance with a variety of output voltage, adjust carbon brush position on the contact auto-transformer. makes output voltage adjusted to be rated value and reaches a steady state. ZTY series products Introduce advanced technology, adopt energy-saving ring transformer and use Integrated circuit and high-quality components, which gives them a small footprint~ lightweight, high-efficiency, and energy-saving, no additional distortion of the output waveform, stable performance, and reliability.   Mercury Stabilizer 20KVA Servo AVR Single Phase – Key Features:   Phase: Single Phase Output Voltage: Over-voltage Protection; Low-voltage Protection Display Model: LED / METER Wide Input Voltage Range 6 Steps Transformer Design In Voltage Stabilizing – For that extra reliability Voltage Protection – High / Low Voltage, High-Temperature Protection Soft Start Protection – Safeguards your expensive equipment Ideal for Heavy Duty Equipment
Liebert itON 400VA is a reliable line-interactive UPS designed for the protection of desktop computers and standalone IT equipment. Liebert itON comes complete with an automatic voltage regulator (AVR) allowing flexibility and reliability for PCs and other sensitive electronic equipment. With its compact design and easy to use controls, Liebert itON also provides sufficient back up time, allowing work in progress to be saved safely before proceeding with the system shutdown. Liebert itON also comes complete with automatic restart and cold start functions for increased continuity and availability.
  • Apparent power: 400 VA
  • UPS architecture: line-interactive
  • Number of phases at the input: 1 (230V)
  • Number of batteries: 1
  • Voltage: 12 V
  • Battery capacity: 4.5 Ah
  • Hold time (100% load): 4 min
  • Charging time: 4 hours
  • Enclosure type: Tower
  • Security / filters: Excessive discharge, Overload
  • Special functions: - Cold start - Automatic voltage regulation system (AVR) - Sine when working on the battery LEDs indicating: - Charging the battery - Overloading the UPS - Low battery - Overload - Necessary battery replacement - Battery failure
  • Power supply ports: Type F Schuko
  • Power ports: 2 x type C / F (Schuko)
  • Connectors: None
  • Environmental requirements: - Operating temperature: from 0 to 40 degrees C- Storage temperature: from -20 to 50 degrees C- Operating humidity / storage: 0 - 90% (non-condensing)
  • Accessories in the set: Operating instructions
  • Color: Black, Gray
  • Dimensions: - Width: 100 mm - Height: 142 mm - Depth: 287 mm
  • Weight: 3.55 kg
  • Other parameters: - Real power: 240W- Input connector: cable with Schuko plug (10A) - Hold time at 50% load: 8 minutes - Input voltage range in basic mode: 162-290V- Variable input voltage range: 220-240V
Liebert® itON is a single-phase UPS with line-interactive technology, making it ideal for protecting desktop computers and standalone IT equipment while also prolonging battery life with the use of AVR technology. Designed with simple controls for easy operation, it makes user interaction simpler and more efficient. Liebert® itON is a reliable line-interactive UPS designed for the protection of desktop computers and standalone IT equipment. With its compact design and easy to use controls, it provides sufficient backup time in order to save work in progress and gracefully initiate system shutdowns.
  • Vertiv Liebert ItON 2000VA, Liebert.
  • Output power capacity: 2000 VA,
  • Output power: 1200 W,
  • Input operation voltage (min): 170 V.
  • AC outlet types: C13 coupler,
  • Type F, Power plug: C14 coupler,
  • AC outlets quantity: 6 AC outlet(s).
  • Battery technology: Sealed Lead Acid (VRLA),
  • Battery type: VRLA,
  • Battery recharge time: 6 h.
  • Form factor: Tower,
  • Product colour: Black,
  • International Protection (IP) code: IP20.
  • UPS topology: Line-Interactive, Response time: 6 ms, Waveform: Stepwise
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Mercury Maverick 850VA UPS

(Frequent power interruptions can lead to stress and delays in meeting project deadlines while working on your computer. The Mercury Maverick 850VA line interactive UPS provides a reliable power back up that enables you save your work the moment there is power interruption or public power outage. It has a wide voltage input range of 140~300VAC with a transfer time of 2 – 6ms and is compatible with generators and the erratic public power supply. Features • Built in AVR with wide input range of 140~300VAC • Auto restart • Output short circuit protection • Overload protection • Overcharge protection • Sleek and compact design with cpu control • Green function ( No load cut off ) Country wide maintenance and service centres available Input Voltage                                                  220VAC Input Frequency                                              50Hz Input Phase                                                      Single Input Socket                                                    With Fuse Input Range (220v)                                         140V – 300VAC Rating Output                                                   850VA/510V Battery Type                                                    12V/9AH x1 Dimension(mm)                                               283 x 101 x 140 Weight (Kg)                                                     4.4
Infomation
Cutaway collar Front button fastening Chest patch pocket Long sleeves
Composition
Cotton 100%
Wearing
Model is 1.84 m wearing size M
Washing Instructions
" alt="washing-instruction" width="183" height="36" data-src="https://www.digitaldirectng.com/wp-content/uploads/2021/12/washing-instruction.png" /> Machine wash, no ironing, don’t dry clean, don’t tumble dry
The Liebert itON 1500 VA is a reliable line interactive ups designed to protect desktops and standalone computing equipment. The Liebert itON comes with an automatic voltage regulator (AVR) to provide flexibility and reliability to computers and other sensitive electronic equipment. With its compact design and easy –to use controls, the Liebert itON offer sufficient autonomy to safely back up current tasks before shutting down the system.   LI32141CT21 is ideally suited for the following equipment:
  • Desktop PCs
  • Professional workstations
  • Small routers, bridges, and hubs
  • Point-of-sale terminals
  • Other sensitive electronics
Features
  • Equipment with boost and buck AVR to stabilize the input voltage
  • Microprocessor control guarantees high reliability
  • Provides AC overload protection
  • Auto-restart with AC recover
  • Compact size, lightweight
  • Fast charging
  • Off mode charging
  • Cold start function
  • Overload protection and alarm
  • USB communication port for monitoring and shutdown software (UX models only)
Top Benefits
  • Smart RS232/USB interface for power management
  • Excellent microprocessor control guarantees high reliability
  • AVR Boost and buck for voltage stabilization
  • Auto restart while AC is recovering
  • Simulated sine wave
  • Auto charging at Off-mode
  • Cold start function
  • Generator compatible
Key Specifications CAPACITY 1500 VA/900 Watt. INPUT
  • Voltage 220/230 VAC
  • INPUT Voltage Range 140-300 VAC
  • Frequency Range 50 Hz
OUTPUT
  • AC Voltage Regulation (Batt. Mode) ±10%
  • Frequency Range (Batt. Mode) 50 Hz ±1 Hz
  • Transfer Time Typical 2-6 ms
  • Waveform (Batt. Mode) Simulated Sine Wave
  • Overload 110% +/-10% Shutdown after 5 mins
BATTERY
  • Battery Type & Number 12 V/7 Ah x 2
  • Typical Recharge Time 6-8 hours up to 90% capacity
TRANSFER TIME Minimum line break for Typical 4-8 msec transfer to battery
WeightN/A75 kg3.55 kg5 kg1 kg5 kg
DimensionsN/AN/A287 × 100 × 142 cmN/AN/AN/A
Additional information
Weight 75 kg
Weight 3.55 kg
Dimensions 287 × 100 × 142 cm
Weight 5 kg
Weight 1 kg
Weight 5 kg
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