ABB S-053M 3BHB012897R003 Auxiliary contact module (rack)

ABB S-053M 3BHB012897R003 Auxiliary contact module (rack)

Specific Parameters

Electrical Parameters

Rated Insulation Voltage (Ui): 690V AC, suitable for medium and high voltage control circuit scenariosRated Operating Voltage (Ue): 400V AC (AC-15 load), 250V DC (DC-13 load)Contact Configuration: 3 sets of normally open (NO) contacts, no normally closed contacts, contact type is double-breakpoint structureRated Current (Ie): 6A (400V AC) under AC-15 load, 0.4A (250V DC) under DC-13 loadVoltage Withstand Strength: ≥2500V AC (1 minute no breakdown) between contacts, and between contacts and housingInsulation Resistance: ≥100MΩ (measured with 500V DC megohmmeter, normal temperature and state)Electrical Life: ≥1 million switching cycles under AC-15 load, ≥500,000 switching cycles under DC-13 loadMechanical Life: ≥10 million switching cycles, meeting high-frequency operation requirementsContact Resistance: ≤50mΩ (initial state), ensuring stable signal transmission

Mechanical Parameters

Overall Dimensions: 38mm (W) × 75mm (H) × 32mm (D), compact design saves installation spaceWeight: Approximately 0.09kg, lightweight design does not increase the installation burden of the main contactorMounting Method: Snap-on mechanical connection, directly clamped on the top of ABB M-series contactors, no fasteners requiredHousing Material: Flame-retardant engineering plastic (UL94 V-0 grade), anti-static coating on the surfaceContact Material: Silver-nickel alloy (AgNi), with excellent electrical conductivity and arc-extinguishing capabilityConnection Method: Screw-type terminal blocks, compatible with 0.5-2.5mm² wire gauge, wiring torque 0.8-1.2N·mStatus Indication: No built-in indicator light, contact on-off status is fed back through control circuit signals

Environmental Parameters

Operating Temperature: -25℃ to +70℃ (non-condensing environment), covering high and low temperature industrial working conditionsStorage Temperature: -40℃ to +85℃, meeting storage and transportation environment requirementsRelative Humidity: 5% to 95% (non-condensing), adapting to humid industrial scenariosProtection Rating: IP20 (module itself, relying on overall control cabinet protection)EMC Compliance: Meets EN 55014-1 (emission limits) and EN 55014-2 (immunity) standardsVibration Resistance: 10-500Hz frequency range, 1g acceleration (sine wave), no contact bounce or connection looseningCertifications: CE (EMC/Low Voltage Directive), UL 508, IEC 60947-5-1 compliant, RoHS 2.0 compliant

Product Performance

Precise adaptability: Specifically designed for ABB M-series contactors (such as M10-M95 series), snap-on connection without gaps, synchronous operation with the main contactor after installationHigh contact reliability: Silver-nickel alloy contacts and double-breakpoint structure reduce arc ablation, no welding risk under high-frequency operation, and no significant increase in contact resistance during long-term operationExcellent installation efficiency: Assembly and disassembly can be completed without tools, terminal layout is reasonable, adapting to dense wiring scenarios, and wiring operation takes ≤5 minutesStrong environmental resistance: Normal closing action at -25℃ low temperature, no attenuation of insulation performance and contact performance at +70℃ high temperatureGood structural stability: Flame-retardant housing and reinforced snap-on design resist vibration and impact in industrial sites, no loosening or falling riskHigh safety compliance: High insulation strength and flame-retardant characteristics effectively prevent short circuit and leakage risks, fully complying with industrial electrical safety specifications