Circuit Breaker

Moulded Case Circuit YRM1Z
Moulded Case Circuit YRM1Z

Moulded Case Circuit YRM1Z

●Protect circuits from overcurrent.

●Overload protection and short-circuit protection.

●Widely used in solar PV photovoltaic systems.

●Structure, small size and convenient use.

●Passed KEMA, CE, TUV certification.

Product Description

YRM1Z DC series non-polar photovoltaic molded case circuit breaker (MCCB) is mainly used in large-scale solar power generation systems.
Small size, high segment capacity, short flashover, anti-vibration. Used for energy storage batteries, solar DC combiner boxes, inverters, and DC power distribution cabinets.

 

Function:

YRM1Z-125(size): 63A,80A,100A,125A

Tested:Ultimate short circuit breaking capacity

Loadable:string protection upto

25kA according to IEC IEC60947-2

YRM1Z-125(size): 63A,80A,100A,125A

YRM1Z-630(size): 500A,630A

Fast: reclosable for minimum standstill times

YRM1Z-250(size): 160A,200A,225A,250A

YRM1Z-800(size): 800A

Safe: reliable disconnector properties switching underload

YRM1Z-400(size): 315A,400A

YRM1Z-1250(size): 1000AJ250A

ApprovaI:Provided on request

 

Specifications:
Rated Current In (A) 125:63A,80A,100A,125A,250:160A,200A,225A,250A,400:315A,400A:630:500A,630A,800:800A,1250:1000A1250A
Ue Rated operating voltage (VDO) YRM1Z:1P 250V: 2P 550V; 3P 750V;4P 1000V
Rated insulation voltage Ui (VDC) DC1000V
Rated lmpact voltage Uimp (kV) 8KV
Ultimate breaking capacity lcu (kV) 25KV
Trip type Thermal-magnetic
Ambient temperature (P) -20°C ~70°C
Altitude 2000M
Installation Fixed,plug-in
Accessories Auxiliary AlarmShunt release,Manually operated and electric operation

 

Wiring digaram:

Protection and lsolation wiring Protection and lsolation wiring
The load should be The load should besDC 1 000V
The connection considered for a network in which The Negative pole (-) could be earthed.but in both cases
the middle point of the supply source is earthed the breaker protects and isolates the load
In this case the breaker protects and isolates the load  

 

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