ABB RC223 Residual current release

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- Brand: ABB- Model: RC223 4p- Type: Residual current release for circuit breaker T3N 250 series)- All Tech Specs: - Material: Thermoplastic or polycarbonate housing for insulation and durability - Poles: 4 (fixed four-pole configuration) - Rated Current: 250A (compatible with T4 250 circuit breaker) - Sensitivity Threshold: 30mA, 300mA, 3000mA (selectable for residual current detection) - Type: B (sensitivity to AC, pulsating DC, and smooth DC residual currents; complies with IEC/EN 60947-2) - Frequency Sensitivity: Selectable maximum threshold (400 Hz, 700 Hz, 1000 Hz) for adaptation to industrial fault frequencies - Voltage: 400V AC (nominal operating voltage) - Mounting: Fixed or plug-in version for Tmax T4 four-pole circuit breaker - Response Time: Instantaneous trip for residual faults above threshold - Protection: Residual current protection against indirect contacts and additional protection against direct contacts - Standards: IEC/EN 60947-2; suitable for industrial plants with variable fault frequencies - Certification: CE marked; RoHS compliant - Features: Combines with Tmax T4 for enhanced safety; no external power required; adaptable to different industrial requirements- Dimension: Approximately 70 mm width x 140 mm height x 100 mm depth (based on T4 series compatibility)- Weight: 0.5-0.7 kg (approximate for RC release unit)- Country of Origin: Italy - HS Code: 8536.20 (automatic circuit breakers) Show more