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PRAG 20KVA 45-280V Relay Voltage Stabilizer

477,000.00
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21 - 28 Jul, 2026
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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 Elite Pro 3000VA UPS removeAPC SMART-UPS 900WATTS/1500VA removeMercury Maverick 850VA UPS removeVertiv Liebert itON 1500VA E 230V IEC-IEC UPS removeVertiv Liebert itON 400VA remove
NamePRAG 20KVA 45-280V Relay Voltage Stabilizer removeMercury Elite Pro 3000VA UPS removeAPC SMART-UPS 900WATTS/1500VA removeMercury Maverick 850VA UPS removeVertiv Liebert itON 1500VA E 230V IEC-IEC UPS removeVertiv Liebert itON 400VA remove
ImagePRAG 20KVA 45-280V Relay Voltage StabilizerMercury Elite Pro 3000VA UPSAPC SMART-UPS 900WATTS/1500VAMercury Maverick 850VA UPSVertiv Liebert itON 1500VA E 230V IEC-IEC UPSVertiv Liebert itON 400VA
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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.Input voltage: 220VAC Input frequency: 50Hz Input phase: Single phase Input socket: With Fuse Cold Start (0 to 100% load): Press the ON/OFF switch Input range (220V): 140-300 Rating output (VA): 1200VA Rating output (W): 720W Waveform: Battery mode(simulated sine wave),AC mode(sine wave) Power factor: 0.6 Rating voltage: 220V Output range: 220Vac-7% to +15% in battery mode Rear Output Socket: 4 x Universal - Battery backup Transfer time: TYPICAL4-8ms Communication Interface: optional RS232/RJ11 Rating frequency: 50Hz Line-mode: Synchronize with the Utility
  • LCD
  • Input 230V/Output 230V
  • Interface Port USB Connect
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
  • 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
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)35.1
Mercury ELITE 3000VA UPS Pro offers the advanced performance and durability that Mercury UPS brand is noted for, this Mercury ELITE 3000VA UPS microprocessor is designed to produce a reliable and perfect performance for the user.
The Mercury ELITE 3000VA UPS has a clear LCD display which you can easily monitor the status of your device. It has an automatic switch over which enables it to changeover when the power supply is gone. The Mercury ELITE 3000VA UPS will enable you to operate your home and office appliances non-stop when the power is down, it will even ensure you enjoy your work when the power supply is off.
The Mercury ELITE 3000VA UPS built-in AVR ensures better performance with the input range of 140 ~ 300VAC.
The silent nature of this Mercury ELITE 3000VA UPS will make you work effectively without any distraction. Mercury ELITE 3000VA UPS is a large capacity of UPS,  which provides more efficient backup power and more advanced performance technology.
The possible backup time of Mercury ELITE 3000VA UPS is up to 40min. Mercury ELITE 3000VA UPS features the following attributes, such as wide input range of 140 ~ 300VAC, excess temperature protection, Power surge protection socket for printers, scanners, telephone, modem line protection, Built-in intelligent battery management, Super protection of Over voltage, Under voltage, Overload and Short circuit protection, Auto restart, Data-line protection, microprocessor controlled guarantees high reliability, equipped with boost and buck AVR, green power function for energy saving.
The Mercury ELITE 3000VA UPS has no harmful substance to the environment; such as: noise pollution, gas emission and it even save you from the stress of buying fuel and the cost. What Mercury ELITE 3000VA UPS just need is charging that’s all.
The auto restart which is in-built to the Mercury ELITE 3000VA UPS, allows no interruption with whatever you’re doing be it, playing video games, watching movie e.t.c. Mercury ELITE 3000VA UPS is well protected by the output short circuit, and has the load capacity for your electronic appliances. Mercury ELITE 3000VA UPS is well protected from voltage overload and overcharge.
Mercury ELITE 3000VA UPS is what we all need at our homes and offices. We all know that our power generating company popularly known as (PHCN) are not reliable or to be trusted, and our generator also are not reliable, they can be faulty at any time. What I know you can rely on and saves you from monthly PHCN dues is Mercury ELITE 3000VA UPS.  Mean-while this Mercury ELITE 3000VA UPS, also provide a voltage regulation and make sure your electronic appliances are save from power fluctuation.
APC Smart-UPS C 1500VA LCD 230V SMC1500I Uninterruptible Power Supplies (UPS)
- Battery-protected and surge-only outlets reserves power capacity and run time for connected equipment
- Network manageable Provides remote power management of the UPS over the network
- LED status indicators quickly understand unit and power status with visual indicators
- Hot-swappable batteries ensures clean, uninterrupted power to protected equipment while batteries are being replaced
- Adjustable voltage-transfer points maximizes useful battery life by widening the input voltage
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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
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
Weight29 kg10 kg10 kg10 kg5 kg3.55 kg
DimensionsN/AN/AN/AN/AN/A287 × 100 × 142 cm
Additional information
Weight 29 kg
Weight 10 kg
Weight 10 kg
Weight 10 kg
Weight 5 kg
Weight 3.55 kg
Dimensions 287 × 100 × 142 cm
Sold000200
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