Shunt Trip Breaker TREF2-125 Earth Leakage Circuit Breaker ELCB 125F/3P 15A-125A

Shunt Trip Breaker TREF2-125 Earth Leakage Circuit Breaker ELCB 125F/3P 15A-125A

ELCB TREM Series

Mould Case Circuit Breaker with Earth Leakage Protection

A shunt-trip breaker, in addition to the internal instantaneous overcurrent and time-overcurrent protective functions, has an externally powered solenoid that will trip the breaker when energized. This is normally tied to a safety interlock system that will shut power off to the affected equipment when, for example, a protective cover is opened or removed. A limit switch or other similar device will be used to detect if the cover is in place or not. It is held open by the cover. If the switch closes, the breaker is tripped and the machine is rendered electrically safe.

Standard
TRM series circuit breaker and auxiliaries comply with the following international standard:
1.IEC/EN 60947-1
Low-voltage switchgear and controlgear-part 1: General rules;
2.IEC/EN 60947-2
Low-voltage switchgear and controlgear-part 2: Circuit breakers;

TRM series MCCB(Standard use environment for TRM series MCCB)
1. Ambient temperature: Within the range of -5ºC--+55ºC(However, when the temperature exceed 40ºC,it should be considered to reduce the capacity to use);
2. Relative humidity: Within the range of 45%--85%;
3. Altitude: 2000m or less(However, if it exceeds 1000m, atmosphere correction through humidity test and withstand voltage test can be considered);
4. Atmosphere where excessive steam, oil steam, smoke, dust, salt and other corrosive materials do not exist 

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CLASSIFICATION:
ACCORDING TO THE POLES:                                        2-POLES, 3-POLES
ACCORDING TO THE BREAKING CAPACITY:                       S-TYPE, H-TYPE
ACCORDING TO THE RATED CURRENT:                             FIX TYPE, ADJUSTABLE TYPE(08IN-1.0IN)
ACCORDING TO THE TRIP ACTION TIME:                           FIX TYPE, ADJUSTABLE TYPE(0.1S/0.3S/0.5S OR 0.45S/1.0S/2.0S)
ACCORDING TO THE RATED RESIDUAL CURRENT:                 FIX TYPE, ADJUSTABLE TYPE(30MA/100MA/300MA/500MA

Technical data table:

Ampere frame size		TREF2(125A)
Breaking capacity code		S			H
Product code and poles		2P	3P	4P	2P	3P	4P
		TREF2-S2	TREF2-S2	TREF2-S2	TREF2-H2	TRMF2-H3	TRMF2-H4
Protective function		Over load & Short circuit & Ground fault
Rated current, In(A)		15, 20, 30, 40, 50, 60, 75, 80, 100, 125
Rated residual current	Operating, IΔn(mA)	30, 50, 100, 200, 300, 500
	Non-operating, IΔno(mA)	15, 25, 50, 100, 150, 250
Adjustable part	Rated current setting(0.8In-1.0In)	√			√
	Lockup device for operating handle	-	√	√	-	√	√
	Residual current, IΔn	30mA/100mA/300mA/500mA
	Trip action time	0.1s/0.3s/0.5s
Rated operational voltage, Ue(V), AC 50/60 Hz		240/415
Rated insulation voltage, Ui(V)		1000
Rated impulse withstand voltage, Uimp(kV)		8
Residual current off-time at IΔn ,Sec (s)		0.1
Standard		Conformity with IEC/EN 60947-2
Rated frequency(Hz)		50/60
Rated short-circuit breaking capacity, Icu(kA)
AC	240V	35				50
	415V	18				35
Ics=% * Icu		100%
Mechanical life(circle)		8500
Electrical life(circle)		1500
Dimension: Length*Width*Height	2-poles	130*50*60
	3-poles	130*75*60
	4-poles	130*100*60

Built-in accessory:

Built-out accessory: