GENERAL

RGM3HU series moulded case circuit breaker (hereafter simply referred to as breakers), the maximum rated voltage of the breakers is 1140V,and the maximum current is 800A.In the voltage of AC800V,the maximum breaking capacity is 50kA,which can ensure reliable short-circuit protection of the system. 

The breakers could be installed vertically or horizontally.

The breakers comply with the demands of the following standards:

IEC60947-1 and GB14048.1  Low-voltage switchgear and controlgear——Part1：General rules.

IEC60947-2 and GB/T14048.2  Low-voltage switchgear and controlgear——Part 2：Circuit-breaker.

NORMAL SERVICE AND MOUNTING CONDTIONS

The ambient air temperature does not exceed ＋40℃ and its average over a period of 24h does not exceed ＋35℃,the lower limit of the ambient air temperature is －5℃.

The altitude of the site of installation does not exceed 5500m.

It is resistant to damp air(three-proof type).

It is resistant to the influence of salt fog and oil fog(three-proof type).

It is resistant to the influence of mold(three-proof type).

In a medium without explosion risk, and the medium is not enough to corrode the metal and destroy the insulation of the gas and conductive dust.

Note: The three-prevention products should be specially customized, please indicate TH.

MAIN TECHNICAL PERFORMANCE INDEX

Frame			320
Type			RGM3HU-320
Pole number			3
Rated current(A)                         In			63,80,100,125,140,160,180,200,225,250,280,315,320
Rated insulation voltage(V)        Ui			AC1150
Rated impulse withstand vol(V)  Uimp			8
Rated operational voltage (V)     Ue			415	500/690	800	1000/1140
Rated ultimate short-circuit  breaking ability      (kA) Icu			120	65	36.5	15
Operating short-circuit breaking ability  (kA) Ics			85	50	36.5	15
Wiring mode			Up incoming and down outcoming
Arc-over distance（mm）			≯50(Zero arc with arcing cover)
Allowable ambient temperature			-40~+70℃
Levels of protection			IP20
Transient Action value			10ln
Comply standards			IEC60947-2
Operational performance (times)	Mechanical life		20000
	Electrical life		3000	3000	3000	2000
Outline dimensions(mm)		L	180
		W	107
		H	126
Shunt release			√
Auxiliary contact			√
Alarm contact			√
Turning handle mechanism			√
Power-driven mechanism			√