It's a miniature residual current circuit breaker with flame retardant ABS case, which can be used for electric leakage protection of household appliances. It's of high sensitivity, stable performance and good quality, durable to use. DIN rail installation allows convenient assemble and disassemble.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: 1PBreaking Capacity: 4500ARelease Attachment: Undervoltage ReleaseRelease Style: CRelease Method: Over-current ReleaseWiring Method: up, in/ down, outRated Voltage: 400VProtection Grade: IIIInstallation Method: DIN Rail3C Rated Voltage Range: 50V xff1c;Voltage xff1c;440VPackage Size: 5 * 8 * 9.5cm / 1.97 * 3.15 * 3.74inPackage Weight: 220g / 7.76ozPackage List:1 * Circuit Breaker