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RCCB Residual Current Circuit Breaker 30ma 300ma 63amp 2 Pole MCB 40A

RCCB Residual Current Circuit Breaker 30ma 300ma 63amp 2 Pole MCB 40A
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Rated Voltage: 4P: AC400/415
Rated Frequency: 50/60hz
Poles Number: 2P,4P
Installation: 35mm DIN Rail
Rated Current: 20, 25, 40, 63
Rated Residual Operating Current (mA): 30ma
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RCCB residual current circuit breaker


30ma current circuit breaker


2 pole current RCCB circuit breaker

Basic Infomation
Place of Origin: China
Brand Name: YOKG
Certification: CE
Model Number: DCKB2 DCKB4
Payment & Shipping Terms
Packaging Details: Standard export packing or According to customer's demand
Delivery Time: 15days or Depends on ordering QTYS
Payment Terms: L/C, D/P, T/T
Supply Ability: 100000pcs per Month
Product Description

RCCB residual current circuit breaker 30ma 300ma 63amp 2 pole MCB 40A



DCKB2, DCKB4 Residual current circuit breaker without over current protection conforms to the standards of IEC61009.1,BS4293 etc, It is used in the circuit of AC 50/60Hz. single phase 230V, three phases 400V in industrial & mining enterprises, Commercial buildings and housing for protection of personal electric shock hazard, and also can used for unfrequented switch over circuit under normal conditions.


Number of Poles 2P, 4P
Rated current (A) 16, 20, 25, 40, 63
Rated Frequency 50/60Hz
Rated Voltage (V) 2P: AC230/240
4P: AC400/415
Rated Residual Non-peration Current (Ino)(mA) 0.5 In
Residual tripping current range 0.5 In~ In
Rated insulation voltage Ui (V) 500
Rated impulse withstand voltage (V) 6000
Rated breaking capacity 6000
Rated Residual Operating Current (In)(mA) 10, 30, 100, 300
Residual Current Off-time ≤ 0.1S
Rated residual current making & breaking capacity 500A(In=25-40A); 630A(In=63A)
Rated conditional short circuit current, Inc 6000A
Ambiemt temperature (℃) -25~40
Mechanical Life 10000
Electrical life 4000
Degree of protection IP20
Mount On 35mm DIN rail


RCCB Residual Current Circuit Breaker 30ma 300ma 63amp 2 Pole MCB 40A 0



1.How can we get quotations?

A:We will send quotations within 24 hours after getting your enquiry. Urgent need you can call us or send us messages via Whatsapp.

2.Can we get sample to check your quality?

A:All items sample are available.

3.Can you do the design for packing?

A:Yes. We have ad team can assist you design inner and outer box if need.

4.What is your terms of delivery?

A:Normally we work on EXW FOB.

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Get in touch with us
Contact Person : Saniya
Tel : 0086-13819426886
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