Core Capabilities
Key Features
Precision Residual Current Protection
Safeguards personnel and equipment from hazardous earth leakage faults with reliable and accurate detection.
Wide Current Frame Range
Supports a broad spectrum of applications with frame currents from 125A up to 800A.
High Breaking Capacity
Ensures robust system protection with ultimate short-circuit breaking capacities up to 50 kA.
IEC 60947-2 Compliance
Adheres to international standards for molded case circuit breakers, ensuring reliability and interoperability.
Product Brief
Overview
The TDK5L Residual Current Molded Case Circuit Breaker (MCCB) series is engineered to provide essential protection against earth leakage currents in various electrical installations. Compliant with IEC60947-2, these 4-pole MCCBs operate at a rated voltage of AC400V and cover a frame current range from 125A to 800A.
- Precision Residual Current Protection
- Wide Current Frame Range
- High Breaking Capacity
Selection
Selection / Use Cases
Use this MCCB when:
Leakage Monitoring
Suitable for systems requiring residual current protection and status visibility.
Remote Communication
Supports RS485-based integration for panel and facility monitoring.
Adjustable Protection
Built for load coordination environments that need configurable trip settings.
- You need leakage protection and monitoring.
- Remote communication (RS485) is required.
- Adjustable protection settings are needed for load coordination.
Technical Data
Technical Specs
| Rated Operating Voltage | AC400V |
|---|---|
| Poles | 4 |
| Frame Current Range | 125A-800A |
| Standard | IEC60947-2 |
| Rated Impulse Withstand Voltage (Uimp) | 8 kV |
| Ultimate Short-Circuit Breaking Capacity (Icu) | Up to 50 kA |
| Rated Residual Operating Current (IΔn) | 100/300/500 mA or 300/500/1000 mA |
| Total Operational Performance | Up to 10,000 cycles |