China SJK47LE-125 Residual Current Circuit Breaker (RCCB) Manufacturers, Factory

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China SJK47LE-125 Residual Current Circuit Breaker (RCCB) Manufacturers, Factory

The SJK47LE-125 RCCB is a high-performance residual current circuit breaker compliant with GB/T 14048.2 & IEC60947-2, designed for AC 50/60Hz, 230V/400V circuits up to 125A. It provides reliable overload, short-circuit, and leakage protection (IÎ”n: 30mA-300mA) with configurable pole options (1P+N, 2P, 3P, 3P+N, 4P). Featuring 500V insulation, IP20 protection, and Pollution Degree 3, this RCCB operates in -5Â°C to +40Â°C environments. Compatible with AX-1 auxiliary contacts, it ensures safety in residential, commercial, and industrial applications while supporting infrequent switching.

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Product Description

Type Designation

1	Manufacturer Code
2	Design Serial Number
3	With Residual Current Protection (Earth Leakage Protection)
4	Rated Current Collection (125A)
5	Operational Current
6	Number of Poles

Product Display

Technical Parameters

Parameter	Value
Rated Current (In)(A)	63, 100, 125
Poles	1P+N, 2P, 3P, 3P+N, 4P
Rated Voltage (Ue)	AC 230/400~240/415V
Rated Insulation Voltage	500V
Rated Frequency	50/60Hz
Rated operational residual current (In)	0.03A, 0.05A, 0.1A, 0.3A
Breaking Capacity	10kA
Protection Degree	IP20
Standard	IEC60947.2, GB/T 14048.2

Outline and Installation Dimensions

Number of poles	1P+N	2P	3P	3P+N	4P
L (MM)	54	81	108	108	135
H (MM)	73.5	78.5	78.5	78.5	78.5

Mounting Rail: TH35-7.5 Type

Disassembly Diagram

Wiring Schematic

Applicable to the connection of copper conductors of 50mm² and below.

Rated current In(A)	Cross-sectional area of copper conductor (mm²)
63	16
80	25
100	35
125	50

Ordering Instructions

Order Specifications Required from Customers:

Product Name: Model Number, Rated Current
Rated Current, Number of Poles
Minimum order Quantity

Example: Order DZ47LE-125 2-pole circuit breaker, Type D, rated current 100A, quantity 500 units. Should be written as: DZ47LE-125/2P, D100A, 500 units.

FAQ

1. What is the rated current range available for this circuit breaker?

The rated current options available for this model are 63A, 100A, and 125A.

2. Does this circuit breaker provide earth leakage protection?

Yes, this model includes residual current protection, also known as earth leakage protection.

3. What is the breaking capacity of the device?

The rated breaking capacity of this circuit breaker is 10kA.

4. What type of mounting rail is required for installation?

It is designed to be mounted on a standard TH35-7.5 type DIN rail.

5. What is the operating ambient temperature range?

The device operates between -5°C and +40°C, with the average temperature within 24 hours not exceeding 35°C.

6. How should I specify the wiring cross-section for different rated currents?

Please refer to the technical table provided in the Wiring Schematic section for the corresponding cross-sectional area requirements based on the rated current (In).