ABB S-123H 3BHB030479R0512 Heavy duty enhanced auxiliary contact module (rack)

Specific Parameters

Electrical Parameters

Rated Insulation Voltage (Ui): 1000V AC, suitable for 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 heavy-duty structureRated Current (Ie): 10A (400V AC) under AC-15 load, 0.8A (250V DC) under DC-13 loadVoltage Withstand Strength: ≥3000V 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 ultra-high-frequency heavy-duty operation requirementsContact Resistance: ≤25mΩ (initial state), ensuring stable transmission of high-power signals without loss

Mechanical Parameters

Overall Dimensions: 58mm (W) × 95mm (H) × 45mm (D), heavy-duty enhanced design adapting to the installation space of Series 12 contactorsWeight: Approximately 0.22kg, dual reinforced structure balances mechanical strength and installation convenienceMounting Method: Dual reinforced snap-on mechanical connection, directly clamped on the top of ABB Series 12 H-type high-power contactors, no additional fasteners requiredHousing Material: Flame-retardant reinforced engineering plastic (UL94 V-0 grade), impact-resistant, wear-resistant, chemical corrosion-resistant, with anti-static surface treatmentContact Material: Silver-cadmium alloy (AgCdO), featuring excellent arc-extinguishing performance, anti-welding characteristics and high wear resistanceConnection Method: Screw-type terminal blocks, compatible with 1.5-6.0mm² wire gauge, wiring torque 1.5-2.0N·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, 2.5g 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

Extremely strong heavy-duty adaptability: Specifically designed for ABB Series 12 H-type high-power contactors (such as H630-H1250 series), dual reinforced snap-on structure resists vibration and impact from high-current operation, no displacement or jamming after installationExcellent contact reliability: Silver-cadmium alloy contacts and double-breakpoint reinforced arc-extinguishing design effectively reduce arc ablation and welding risks, contact resistance remains stable for a long time under heavy-duty and high-frequency operation without significant increaseOutstanding high-voltage and high-power tolerance: 1000V AC rated insulation voltage and 3000V AC voltage withstand strength, adapting to high-voltage control circuits; 10A rated current meets the needs of high-power signal transmissionEfficient installation and maintenance: Assembly and disassembly can be completed without tools, large wire gauge adaptation design meets the wiring needs of heavy-duty circuits, maintenance time ≤5 minutesExcellent structural stability: Flame-retardant reinforced housing and dual snap-on design resist vibration, impact and chemical gas corrosion in industrial sites, no loosening or falling riskHigh safety compliance: High insulation level, flame-retardant characteristics and reinforced arc-extinguishing structure effectively prevent short circuit, leakage and arc risks, fully complying with safety specifications for high-voltage and high-power electrical control systems