TOMZN TOAPSVP2-100A 100A 3 Phase Voltage Current Protection Relay

# TOMZN TOAPSVP2-100A 100A Three-Phase Voltage and Current Protection Relay

The TOMZN TOAPSVP2-100A is a three-phase electrical monitoring and protection device designed for installations where monitoring voltage, current and phase conditions is important. With a rated current of 100A, an LCD digital display and adjustable protection parameters, it is intended for compatible electrical distribution systems serving industrial equipment, commercial facilities and larger residential installations.

Electrical supply abnormalities can affect motors, pumps, compressors, HVAC equipment and other three-phase loads. A suitable protection device can help reduce the risk of damage by monitoring specified electrical conditions and disconnecting the load when configured protection limits are exceeded.

## Comprehensive Three-Phase Electrical Protection

The TOMZN TOAPSVP2-100A supports several protection functions, including overvoltage, undervoltage, overcurrent, phase loss, phase sequence error and phase unbalance protection, according to the supplied product specifications.

Overvoltage and undervoltage protection monitor whether the measured voltage falls outside the configured limits. Overcurrent protection monitors current against the selected threshold. Phase loss and phase sequence protection are relevant to compatible three-phase applications, particularly equipment that depends on correct phase supply and rotation.

Phase unbalance protection helps identify excessive differences between phases according to the device's configured settings. The correct settings depend on the connected equipment, supply characteristics and installation requirements.

## Real-Time LCD Voltage and Current Display

The integrated LCD display provides a convenient way to check electrical readings and fault information. The supplied product description states that the device displays phase-to-neutral voltage readings for L1, L2 and L3, as well as current readings for the three phases.

The listed measurement accuracy is ±1% for voltage and ±2% for current. Actual measurement performance should be confirmed against the manufacturer's technical documentation and operating conditions.

## Adjustable Protection Parameters

The TOAPSVP2-100A provides adjustable settings for different protection functions. According to the supplied specifications, the overvoltage threshold can be adjusted from 220V to 300V, while the undervoltage threshold can be adjusted from 150V to 210V. The listed overcurrent adjustment range is 1A to 100A, and the phase unbalance threshold can be adjusted from 5% to 99%.

Delay settings are also listed for voltage and current protection, with a recovery delay adjustable from 1 to 500 seconds. These settings allow configuration for the intended application, but they must be selected carefully. Incorrect settings can cause nuisance disconnections or insufficient protection.

## Automatic Recovery and Fault Records

The supplied description identifies an automatic reconnection function. Once the monitored conditions return to the acceptable range, the device can wait for the configured recovery delay before restoring the supply, subject to its operating logic.

The product information also states that the device can store the last 99 fault events, including fault type and electrical readings. This may assist troubleshooting by helping a technician identify recurring power abnormalities.

Automatic reconnection should be evaluated carefully for the connected load. Some equipment may require manual inspection or reset after a fault, even when the supply has returned to normal.

## DIN Rail Installation for Electrical Panels

The TOMZN TOAPSVP2-100A is specified for 35mm DIN rail mounting. Its supplied approximate dimensions are 85 × 65 × 70 mm, and its housing is described as flame-retardant PC plastic.

Before installation, verify the wiring diagram, terminal ratings, conductor sizes, system voltage and suitability for the intended three-phase configuration. A 100A device rating does not, by itself, confirm that every connected load or installation is appropriately protected.

## Applications in Bangladesh

Depending on the verified ratings and system compatibility, the TOMZN TOAPSVP2-100A may be considered for electrical panels serving industrial machinery, three-phase motors, pumps, HVAC equipment, commercial facilities and selected large residential installations.

It should be installed and configured by a qualified electrician in accordance with the manufacturer's instructions and applicable electrical standards. Confirm the exact model datasheet before selecting protection thresholds or connecting critical equipment.

## Why Choose TOMZN Protection Devices from Muthobd.com?

Muthobd.com helps customers explore electrical products and protection equipment for the Bangladesh market. The TOMZN TOAPSVP2-100A combines three-phase monitoring, adjustable protection parameters, an LCD display and automatic recovery features in a DIN rail-mounted device.

Before ordering, confirm the product's current price, availability, warranty and technical compatibility with your electrical system. Appropriate selection, correct configuration and professional installation are essential for reliable electrical protection.