ABB B202032 - 4P 40A 30mA Earth Leakage Block Type B

ABB B202032 - Differential Lock 4P 40A 30mA Type B - Advanced Protection for Electrical Installations

Security and reliability for residential, commercial and industrial applications

The ABB Differential Lock B202032 is an essential device for ensuring effective protection in electrical installations. This model Type B is designed to detect alternating leakage current (AC), pulsating direct current (A) and pure direct current (B), making it ideal for the protection of photovoltaic systems, electric vehicle charging stations and advanced electronic equipment.

Manufactured by ABB, a leader in electrical safety, the DDA204 40A 4P Type B 30mA ensures high reliability and compliance with international safety standards, offering continuous protection for people and equipment.

Main features:

• Order Code: ABB B202032
• Type: Differential block for circuit breakers
• Number of poles: 4P
• Current rating: 40A
• Differential sensitivity: 30mA
• Type of protection: Type B (protection for AC, A and B currents)
• Rated voltage: 230/400V AC
• Number of DIN modules: 4
• Mounting: DIN rail

Main advantages:

✅ Advanced protection for photovoltaic systems, EV charging stations and sensitive electronic devices
✅ Differential sensitivity of 30mA, ideal for low-intensity leakage protection
✅ Compatibility with ABB S 200 and M 200 series circuit breakers
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