Schneider A9Z51425 Residual Current Circuit Breaker (RCCB), Acti9 iID, 4P 25A 30

The Schneider Electric A9Z51425 is a 4-pole Residual Current Circuit Breaker (RCCB) from the Acti 9 iID range, designed specifically for electric vehicle charging applications. Rated at 25A with 30mA sensitivity and Type B-EV differential protection, it provides comprehensive protection against both AC and pulsating DC residual currents in EV charger installations.

Technical specifications:

• Commercial reference: A9Z51425
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9
• Product type: Residual Current Circuit Breaker (RCCB)
• Number of poles: 4P
• Rated current [In]: 25A
• Network type: AC
• Rated voltage [Ue]: 400V AC 50Hz
• Differential sensitivity: 30mA
• Tripping delay: Instantaneous
• Differential protection class: Type B-EV
• Conditional short-circuit current: 10kA
• Rated insulation voltage [Ui]: 500V
• Rated impulse withstand voltage [Uimp]: 6kV
• Making and breaking capacity: Idm 1500A / Im 1500A
• Width: 72mm (8 x 9mm modules)
• Height: 88mm
• Depth: 79mm
• Weight: 415g
• IP rating: IP20 (IEC 60529), IP40 in modular enclosure
• Impact protection: IK05
• Operating temperature: -25 to 60°C
• Mounting: DIN rail, clip-on system
• Connection: Dual terminal, front - 1...35mm² rigid / 1...25mm² flexible; back - 1...25mm² rigid / 1...16mm² flexible
• Tightening torque: 3.5N.m
• Certifications: VDE, NF, CCC, KC
• Standards: IEC 61008-2-1, IEC/EN 62423, EN 61008-2-1

Features and benefits:

• Type B-EV differential class provides protection against AC, pulsating DC, and smooth DC residual currents produced by EV chargers
• Dual terminals on both top and bottom allow flexible wiring configurations in tight panel layouts
• Trip position indicator and ON/OFF status reading enable quick visual diagnostics
• Locking device included to prevent unauthorized or accidental operation
• High mechanical durability rated at 20,000 cycles and electrical durability at 15,000 cycles
• Compatible with EcoStruxure EV Charging Expert for smart energy management integration

Applications:

• Protection of electric vehicle charging points (AC wallboxes and charge stations)
• Commercial and residential EV charging infrastructure in distribution boards
• Installations requiring Type B RCD protection per IEC/EN 62423
• Multi-phase 400V AC circuits supplying EV charging equipment

Compliant with IEC 61008-2-1, IEC/EN 62423, and EN 61008-2-1. Part of the Schneider Electric Acti 9 range.

Also known as: Schneider A9Z51425, Schneider Electric A9Z51425, Acti9 iID 4P 25A Type B-EV RCCB, Schneider EV charging RCD.