Adjustable MCCB

WLM6RT-400A-3300 3P WLM6RT Series 400vac Thermal magnetic type moulded case circuit breaker 400V/690V MCCB 400A 3 Poles adjustable mccb

Rated Current : 400A

Number Of Poles : 3P / 4P

Rated Working Voltage : 400V/690V

3P 4P

01/03

Product Details

Advantages of Adjustable Type of MCCB

Another advantage of the adjustable type of MCCB is its ability to accommodate varying load conditions. Electrical systems often experience fluctuations in load, and the adjustable settings of the MCCB enable it to adapt to these changes. Whether the load increases or decreases, the MCCB can be adjusted to ensure consistent and reliable protection, thereby enhancing the stability of the electrical system.

Explanation of Load Adjustable

Load adjustable, as featured in the adjustable type of MCCB, refers to the capability of the MCCB to be adjusted according to the specific load conditions it is protecting. This feature is particularly significant in ensuring that the MCCB operates optimally under varying load scenarios.

Main performance index of WLM6RT series circuit breaker

WLM6RT Moulded Case Circuit Breaker		400
Rated operating current In (A),40℃	Thermal-magnetic type	250-315-350-400
	WLM6RT/Adjustable type	250-315-350-400
	WLM6RT/A/Adjustable type Ir	250-315-350-400
	WLM6RT/P/Adjustable type li	250-315-350-400
Electric characteristics
Rated insulation voltage Ui (V)		1000
Rated impulse withstand voltage (kV)		8
Rated operational voltage Ue(V),AC 50/60Hz		380/400/415,440,500,660/690
Breaking capacity code		C	S	M	H	Q
Number of poles	1P(Adjutable has no this type)	-	-	-	-	-
	2P	-	-	-	-	-
	3P	■	■	■	■	■
	4P	■	■	■	■	■
Number of poles	AC220/230/240V	-	50	65	70	-
	AC380/400/415V	-	30	70	100	150
	AC440V	-	-	-	-	-
	AC500V	-	-	-	-	65
	AC660/690V	-	8	20	25	20
Number of poles	AC220/230/240V	-	-	-	-	-
	AC380/400/415V	-	15	50	70	150
	AC440V	-	-	-	-	-
	AC500V	-	-	-	-	65
	AC660/690V	-	4	10	4	20

Standard
Utilization category		A
Ambient temperature
Safety of insulation		■
Arcing distance		0
Mechanical life (CO recycle)	Maintenance	15000
Electrical life (CO recycle)	AC415V,In	8000
	AC690V,In	1500
Release units
Distribution protection	TM	■
Motor protection	TM	■
Mounting and connection
Fixed	Front connection	■
	Rear connection	■
Plug-in	Front connection	■
	Rear connection	■
Draw-out	Front connection	-
	Rear connection	-
DIN rail	Front connection	■
Dimension
Dimension (mm) W×H×D	Width (3P/4P)	140/184
	Height	257
	Depth	103/111(Q type)
Weight
Distribution protection	1P	-
	2P	-
	3P	4.68
	4P	6.314