Manual Drawout ACB with Four Pole having Microprocessor based Release IPR 1

Range 630 A - 4000 A, Breaking Capacity 50 kA - 100 kA in TP & FP

Different Current Rating provide selection option depending on varied Load Conditions

Basic Version

Circuit Breaker offers five basic protections such as Over Load, Short Circuit, Instantaneous, Ground fault and Function Blocking

Allows Current & Time Adjustment for all functions

The settings offer flexibility of usage for different applications

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Ground Fault Protection Available

Facility of Ground Fault Protection available

Precise and Ease of Adjustment

Current and Time Setting adjustment offered by Dip Switches

Function Check Facility Available

It allows to individually check the performance of respective functions of the release

Current & Time Setting Available

Setting of Current & Time Delay is totally error free & is user friendly

Monitors & Measures Actual Current

It offers True RMS sensing with total immunity to system disturbances

Close and Precise protection

It is Equipped with 16 bit micro controller, these are far more reliable and have high level of repeat accuracy when compared to thermal magnetic and static releases

No external Power Required

It is Self-Powered by built in current transformer

LED Indications Available

It gives LED indication for all the tripping faults

Technical Specification

basic features

ref standard	IS / IEC 60947-2
rated operational voltage	690/250 V AC
rated insulation voltage	1000 V AC
rated impulse voltage	12 kV
utilisation category	B
rated frequency	50/60 Hz
operating altitude	2000 m
humidity	0 - 90%
rating range	630 A - 4000 A
no. of poles	Four
breaking capacity withstand capacity	Icu = Ics = Icw = 50 kA & 65 kA for 630 A - 2000 A; Icu = Ics = Icw = 75 kA for 2500 A; Icu = Ics = Icw = 100 kA for 3200 A - 4000 A
version	Drawout Type
type of operation	Manual