DC circuit breaker Description

DC 550V 2p 25A PV circuit breaker with SAA CB CE IEC certificate

1.DC circuit breaker Introduction

DC 550V 2p 25A PV circuit breaker supplementary protectors are designed to provide overcurrent protection within appliances or electrical equipment, where a branch circuit protection is already provided or not required. Devices are designed for direct current (DC) control circuit applications.

2. DC circuit breaker's Application

SL7-63 Series DC1200V 63A DC Circuit breaker , apply to rating current 63A or less, It is mainly used for the overloading and short circuit protection in DC distribution system equipment and electric equipment. It can be widely used in electric, post, traffic, mining enterprise and different kinds of fields. In present China, our products in the case grade rating voltage is highest compared to the same products.

3. DC circuit breaker Standard

Products according IEC60947,GB14048.2 ,IEC60898.2 AS/NZS60898.1,AS/NZS60898.2, AS/NZ61009 Standard.

4. DC circuit breaker Specifications

SL7 PV Series Circuit Breaker	SL7-63
Frame degree rated current (A)	63
Ue Rated operating voltage (V DC)	DC440V DC550V DC800V DC1000V DC1200V
Rated Current In (A)	6-10-16-20-25-32-40-50-63
Rated insulation voltage Ui (V DC)	1000V
ated Impact voltage Uimp (kV)	4
Ultimate breaking capacity Icu (kA)	6
Run breaking capacity Ics (%Icu)	75%
Curve type	C
Trip type	Thermal-magnetic
Undervoltage release (UNT)	Option
Auxiliary contact (AX)
Pollution Level	3
Installation Environment	No obvious shock and vibration
Installation category	Class Ⅲ
Installation	DIN Standard rail

5. DC circuit breaker Inside picture

6. DC circuit breaker Wiring diagram

7. DC circuit breaker Demensions Wiring diagram

8. DC circuit breaker Certificate

Packaging & Shipping

Our Services

1.Reply inquiry in 24 hours.

2.Please kindly inform us which items you are interested & the reasonable price will be providedyou upon receipt of your new inquiry ASAP.

3.Answer your question detailed

4.Solved the problem with you during using our products

5. Samples will be offered to you for our future cooperation.

Company Information

Established in 2012, Wenzhou Litto Intelligent Electrical Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of PV switches, distribution boxes, PV circuit breakers, Industrial plugs and sockets, junction boxes, and so on. We are located in Wenzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world.