ABB B273332 - Earth Leakage Block 2P 25A 300mA Type B

ABB B273332 - Differential Lock 2P 25A 300mA Type B - Advanced Protection for Electrical Installations

Maximum security for residential, commercial and industrial applications

The ABB Differential Lock B273332 is a device designed to provide effective and reliable protection in electrical installations. Thanks to its protection Type B, it can detect alternating leakage current (AC), pulsating direct current (A) and pure direct current (B), making it ideal for advanced applications such as inverters, photovoltaic systems and electric vehicle charging stations.

Manufactured by ABB, a leader in electrical automation and safety, this differential block ensures reliability and durability, protecting circuits and equipment from potentially dangerous current leakage.

Main features:

• Order Code: ABB B273332
• Type: Residual current circuit breaker block
• Number of poles: 2P
• Current rating: 25A
• Differential Sensitivity: 300mA
• Type of protection: Type B (protection for AC, A and B currents)
• Rated voltage: 230V 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 300mA, ideal for installations with higher safety requirements
✅ Compatibility with ABB S 200 and M 200 series circuit breakers
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