SJK47LE-125 RCCB Factory in China - Reliable Residual Current Circuit Breaker Suppliers for Overload and Leakage Protection
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
| 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 |
| Pollution Degree | Level 3 |
| Protection Degree | IP20 |
| Installation Category | Category III |
| Standard | IEC60947.2, GB/T 14048.2 |
| Ambient Air Temperature | -5℃ ~ +40℃, with the average temperature within 24 hours not exceeding 35℃. |
Outline and Installation Dimensions

| Number of poles | 1P+N | 2P | 3P | 3P+N | 4P |
| L (MM) | 54 0-0.74 | 81 0-0.87 | 108 0-1.40 | 108 0-1.40 | 135 0-1.60 |
| H (MM) | 73.5 0-1.20 | 78.5 0-1.20 | 78.5 0-1.20 | 78.5 0-1.20 | 78.5 0-1.20 |
Installation Diagram:
🔩 Mounting Rail: TH35-7.5 Type
Disassembly Diagram
Wiring Schematic Diagram
Applicable to the connection of copper conductors of 50mm² and below. Select the cross-sectional area of copper conductors according to the following table.
| Rated Current In (A) | Cross-sectional area of copper conductor (mm²) |
| 63 | 16 |
| 80 | 25 |
| 100 | 35 |
| 125 | 50 |

Status Indication:
Ordering Instructions
Order Specifications Required from Customers:
a) Product Name: Model Number. Rated Current;
b) Rated Current. Number of Poles;
c) Minimum Order Quantity.
Example:
a) Product Name: Model Number. Rated Current;
b) Rated Current. Number of Poles;
c) 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.
Should be written as: DZ47LE-125/2P, D100A, 500 units.
Frequently Asked Questions (FAQ)
What is the SJK47LE-125 and what is it used for?
The SJK47LE-125 is a Residual Current Circuit Breaker (RCCB) designed to provide earth leakage protection in electrical installations. It is used in residential, commercial, and industrial environments to protect people and equipment against electric shock and ground faults.
What are the available rated currents for the SJK47LE-125?
The SJK47LE-125 is available in three rated current options: 63A, 100A, and 125A, making it suitable for a wide range of load requirements.
What pole configurations are available for this circuit breaker?
The breaker is available in five pole configurations: 1P+N, 2P, 3P, 3P+N, and 4P, providing flexibility for both single-phase and three-phase electrical systems.
What residual current sensitivity levels does the SJK47LE-125 support?
The device supports four rated operational residual current (IΔn) levels: 0.03A, 0.05A, 0.1A, and 0.3A. The 0.03A setting is commonly recommended for personal protection against electric shock.
What type of mounting rail does the SJK47LE-125 use?
The SJK47LE-125 is designed for installation on a TH35-7.5 type DIN rail, which is the standard mounting rail used in distribution boards and control panels worldwide.
How should I place an order for the SJK47LE-125?
When placing an order, please specify the product model number, rated current, number of poles, and minimum order quantity. For example: DZ47LE-125/2P, D100A, 500 units. Contact our sales team with these details to receive a prompt quotation.







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Mr.Fu

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