DPN 2 in 1 Pole MCB

USFULL DPN, or named DZ30, is a 1P+N design circuit breaker. It’s one standard modular in width, with 2 pole breaker function.

USFULL offers general current of DPN from 6A to 32A, curve C. Other special specifications available for customize, welcome to inquire!

All the functions which traditional circuit breaker has, USFULL DPN can support as well: short circuit protection, overload protection… We offer fire retardant shell and strong arc distinguishing chamber, to safe guard your electricity usage.

USFULL DPN breaker is 6 rivets design. It’s an updated design, less change of shell broken during installation.

There is a mark on the breaker to indicate which pole is for neutral line and which is for live line.

USFULL DPN
Product Name:	1P+N Mini Circuit Breaker
Model:	DZ30(DPN)
Rated Current:	6A, 10A, 16A, 20A, 25A, 32A
Rated Voltage:	AC 240V~
Rated Frequency:	50/60Hz
Pole:	1P+N
Breaking Capacity:	3KA
Curve:	B & C curve
Standard:	IEC/ EN 60898-1

USFULL circuit breaker purchase knowledge:

 

1, How to distinguish the C curve and other curve of the circuit breaker?

C curve is mainly used for home power distribution control and lighting.

D curve is mainly used for motor protection in industrial motor.

2, How to choose current?

It’s based on power and voltage. Power/Voltage=Current. And you will need higher current than this result.

3, How to choose pole numbers?

1P: 220V cut off the live wire.

1P+N: 220V cut off the live wire, not cut the neutral line (without leakage protection)

2P: 220V live wire and neutral wire are cut off at the same time.

3P: 380V cut off all three-phase lines.

4P: 380V three-phase line and neutral line are cut off at the same time.

4, How to choose the right circuit breaker?

Please contact us to guidance.