Description
ABB B273292 - Differential Lock 4P 63A 300mA Type B - Advanced Protection for Electrical Installations
Maximum security for industrial, commercial and plant applications with advanced electronics
The ABB B273292Differential Block is an essential device in the DDA 200 series, designed to provide high differential protection in electrical installations. Thanks to the Type B protection, it is able to detect alternating leakage current (AC), pulsating direct current (A) and pure direct current (B)up to 1kHz, offering reliable and long-lasting protection.
This feature makes it particularly suitable for photovoltaic systems, inverters, variable speed motors, electric vehicle charging stations and systems with advanced electronics, ensuring operational continuity and safety.
Designed by ABB, a leading company in the electrical safety industry, the DDA204 B 63A 4P 300mA ensures maximum reliability and compliance with international safety standards, protecting plants and people with high performance.
Main features:
- Order Code: ABB B273292
- Type: Differential block for circuit breakers
- Number of poles: 4P
- Current rating: 63A
- Differential Sensitivity: 300mA
- Type of protection: Type B (protection for AC, A and B currents)
- Voltage rating: 230/400V AC
- Rated insulation voltage: 500V
- Empulse voltage resistance (Uimp): 4 kV
- Mounting: DIN rail (4 modules)
- Grade of protection: IP2X
- Pulse current resistance: 3 kA
- Compatibility with electrical auxiliaries: Yes
- Operating temperature: -25 to 55 °C
Main advantages:
✅ Advanced protection for industrial, photovoltaic and EV charging systems
✅ Differential sensitivity of 300mA, ideal for applications with higher protection requirements
✅ Compatibility with ABB S 200 and M 200 series circuit breakers
✅ Rugged construction and complying with international safety standards
Thanks to its ability to protect against different types of leakage currents, the ABB B273292 differential block is the ideal solution for installations with high safety and business continuity requirements.
