Its a miniature residual current circuit breaker with flame retardant ABS case, which can be used for electric leakage protection of household appliances. Its of high sensitivity, stable performance and quality, durable to use. DIN rail installation allows convenient assemble and disassemble.Features:Residual current circuit breaker with short circuit, overload and leakage protection. With high sensitivity to provide timely protection.High-quality insulated and flame retardant ABS casing, fine workmanship, with insulativity and durability, long service life.T-shaped switch for easy operation; anti-crack buckle for assured Installation; closed type wiring terminals, firm wiring, rust-proof and durable.DIN rail installation, flexible to use, convenient to assemble and disassemble. Compact size and light weight make installation easier.4500A breaking capacity, reliable and stable performance. Multi-purpose, suitable for electric circuits of AC 50Hz frequency and below 400V rated voltage.Note: Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding.Specifications:Rated Current: 6A/ 10A/ 16A/ 20A/ 25A/ 32A/ 40A/ 50A/ 63A (Optional)Frame Size Current: 63AMaterial: ABSPole Number: 2PBreaking Capacity: 4500ARelease Attachment: Undervoltage ReleaseRelease Style: CRelease Method: Over-current ReleaseRelease Rated Current: 0.2AWiring Method: up, in/ down, outRated Voltage: 400VProtection Grade: IIIInstallation Method: DIN Rail3C Rated Voltage Range: 50VVoltage440VItem Size: 6.3 * 7.5 * 9.3cm / 2.48 * 2.95 * 3.66inPackage Size: 6.5 * 8 * 9.5cm / 2.56 * 3.15 * 3.74inPackage Weight: 320g / 11.29ozPackage List:1 * Circuit Breaker