Schneider A9R21425 Acti9 iID RCCB 4P 25 A 30mA Type A

The Schneider Electric A9R21425 is a 4-pole Residual Current Circuit Breaker (RCCB) from the Acti 9 iID range, designed to provide residual current protection with a 25 A rated current and 30 mA sensitivity. It operates on Type A networks, detecting both sinusoidal and pulsating DC residual currents, making it suitable for modern electrical installations with electronic equipment.

Technical specifications:

• Commercial reference: A9R21425
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iID
• Product type: Residual Current Circuit Breaker (RCCB)
• Number of poles: 4P
• Neutral position: Left
• Rated current [In]: 25 A
• Network type: AC
• Residual current sensitivity: 30 mA
• Tripping delay: Instantaneous
• Residual current class: Type A
• Rated make/break capacity: Idm 1500 A, Im 1500 A
• Rated conditional short-circuit current: 10 kA
• Rated voltage [Ue]: 380...415 V AC 50/60 Hz
• Rated insulation voltage [Ui]: 500 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Network frequency: 50/60 Hz
• Mounting: DIN rail, clip-on
• DIN rail rows: 9 mm, 8 modules wide
• Dimensions (WxHxD): 72 x 91 x 73.5 mm
• Weight: 0.37 kg
• IP rating: IP20 (IEC 60529), IP40 in modular enclosure (IEC 60529)
• Operating temperature: -25...60 °C
• Storage temperature: -40...85 °C
• Connection: Single terminal top or bottom, 1...35 mm² rigid / 1...25 mm² flexible
• Tightening torque: 3.5 N.m
• Mechanical endurance: 20,000 cycles
• Electrical endurance (AC-1): 15,000 cycles
• Standard: EN/IEC 61008-1

Features and benefits:

• Type A residual current protection detects both sinusoidal AC and pulsating DC fault currents
• Instantaneous tripping ensures rapid disconnection on fault detection
• Independent tripping technology operates without reliance on the supply voltage
• Contact position indicator provides clear visual status of the device
• Clip-on DIN rail mounting for fast, tool-free installation
• Locking device option available for enhanced tamper protection

Applications:

• Final distribution boards in residential and commercial buildings
• Protection of circuits supplying electronic equipment with switch-mode power supplies
• Three-phase + neutral circuits requiring Type A residual current protection
• Industrial control panels and modular enclosures
• Installations requiring protection against indirect contact and earth leakage faults

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

Also known as: Schneider A9R21425, Schneider Electric A9R21425, Acti9 iID RCCB 4P 25A 30mA Type A.