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ABB AF26-30-00-11 1SBL237001R1100 3-Pole Contactor  

1. Key Parameters

• Product Model: AF26-30-00-11 (Ordering Part Number: 1SBL237001R1100)
• Product Series: ABB AF-Series 3-Pole AC Contactor (Medium-Power Load Switching)
• Core Function: Switches 3-phase AC power to medium-power loads (e.g., small-to-medium motors); provides arc suppression during contact operation; enables remote control via low-voltage coil signals; integrates with overload relays for comprehensive motor protection; supports cyclic switching in standard industrial scenarios
• Electrical & Switching Specifications:

  Parameter	Details	Performance Metrics
  Main Contacts (Power Circuit)	- Configuration: 3 Normally Open (NO) poles (3-phase) - Rated Operational Current (Ie): 26A (AC-3 duty, 400V); 40A (AC-1 duty, resistive loads) - Rated Making Current: 260A (peak, 400V) - Rated Breaking Current: 130A (rms, 400V) - Rated Voltage (Ue): 690V AC (max) - Duty Cycle: AC-3 (motor starting/running/stopping—100 starts/hour)	AC-3 duty rating suits 90% of medium-power motor applications; 26A capacity covers motors up to 11kW (400V), 18.5kW (690V)
  Auxiliary Contacts (Control Circuit)	- Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC) (fixed, non-expandable) - Rated Current: 10A (AC-15, 230V); 6A (DC-13, 24V) - Voltage Rating: 250V AC / 60V DC	Built-in 1NO+1NC contacts eliminate the need for add-on modules for basic control logic (e.g., interlocks, status feedback), reducing system complexity
  Coil Specifications	- Voltage Ratings (Selectable): 24V DC, 110V AC, 230V AC, 400V AC - Coil Power Consumption: 8VA (no-load); 45VA (pick-up) - Coil Resistance: 16Ω (24V DC); 1.2kΩ (230V AC) - Dielectric Strength: 3kV AC (coil to frame, 1 minute)	Wide voltage range supports global electrical systems (e.g., 400V AC in industrial plants, 24V DC in control cabinets); low no-load power reduces standby energy waste

• Mechanical & Environmental Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 85mm (W) × 120mm (H) × 95mm (D) - Mounting Type: 35mm DIN rail (EN 50022) or panel mount (via adapter) - Housing Material: Flame-retardant thermoplastic (UL 94 V0) with metal reinforcing clips - Weight: Approximately 420g - Arc Suppression: Multi-chamber arc chutes (ferrite material)	Metal reinforcing enhances mechanical stability; ferrite arc chutes extend contact lifespan to 800,000+ operations (AC-3 duty), reducing maintenance frequency
  Environmental Ratings	- Operating Temperature Range: -25℃~+60℃ (-13℉~140℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - Shock Resistance: 30g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61000-6-2 (immunity: Level 3)	Level 3 EMC immunity resists interference from VFDs and motors; wide temperature range suits unconditioned industrial spaces (e.g., factory floors, outdoor pump stations)

• Compliance Standards: CE, UL 508, CSA C22.2 No.14, IEC 60947-4-1, RoHS |

2. Core Features

• Medium-Power AC-3 Duty Performance: 26A rated current at 400V (AC-3)—specifically designed for medium-power motor control (up to 11kW), handling frequent starts/stops (100 starts/hour) in applications like 7.5kW water pumps, 11kW fans, and 5.5kW compressors.
• Built-In Auxiliary Contacts: Fixed 1NO+1NC contacts (10A AC-15)—supports ready-to-use control logic (e.g., "motor running" LEDs, emergency stop interlocks) without additional add-on modules, saving cost and cabinet space.
• Effective Arc Suppression: Multi-chamber ferrite arc chutes—rapidly extinguishes electrical arcs during contact opening/closing, reducing contact erosion and extending service life to 800,000+ AC-3 operations, lowering maintenance costs.
• Global Voltage Compatibility: Coil options for 24V DC to 400V AC—adapts to diverse electrical systems (e.g., 230V AC in commercial buildings, 400V AC in industrial plants), simplifying inventory management for global facilities.
• Durable & Compact Design: UL 94 V0 thermoplastic housing with metal reinforcing (85×120×95mm)—balances durability and space efficiency, fitting standard control cabinets while withstanding mechanical stress from vibration or wiring.
• Low Energy Consumption: 8VA no-load coil power—minimizes standby energy waste in systems where contactors remain energized for extended periods (e.g., continuous-duty ventilation fans), reducing operational costs.
• Seamless Protection Integration: Compatible with ABB TA-series overload relays (e.g., TA25DU-25)—forms a complete motor protection system (overcurrent, overload, phase loss) that meets IEC 60947-4-1 safety standards, ensuring motor reliability.

3. Application Fields

• Manufacturing & Light Industry: Medium-power motor control:
  • Conveyor Systems: Controls 5.5kW~11kW 3-phase conveyor motors—AC-3 duty handles frequent starts/stops during product loading/unloading; arc suppression ensures reliable operation in dusty factory environments.
  • Air Compressors: Switches power to 7.5kW~11kW rotary screw compressors—high making current (260A) tolerates startup inrush; auxiliary contacts trigger pressure switch interlocks to prevent over-pressurization.
• Water & Wastewater Utilities: Pump control:
  • Irrigation Pumps: Manages 7.5kW~11kW 3-phase irrigation pump motors—wide temperature range (-25℃~+60℃) suits outdoor pump stations; vibration resistance prevents contact chatter from pump operation.
  • Sewage Lift Stations: Controls 5.5kW~7.5kW submersible pump motors—flame-retardant housing reduces fire risk in enclosed stations; humidity tolerance (5%~95% RH) withstands damp conditions.
• Commercial & Institutional HVAC: Medium-scale comfort systems:
  • Building Chillers: Switches 7.5kW~11kW 3-phase chiller compressor motors—400V AC coil option fits industrial HVAC electrical systems; auxiliary contacts integrate with BMS for temperature-based on/off control.
  • Large Air Handlers: Controls 5.5kW~7.5kW 3-phase fan motors in stadiums/airports—EMC immunity resists interference from other HVAC equipment; compact design fits in rooftop control cabinets.
• Agriculture & Rural Applications: Farm machinery control:
  • Grain Dryers: Manages 7.5kW~11kW 3-phase heater fan motors—wide voltage tolerance (±10%) suits unstable rural grids; arc suppression ensures safety in dusty grain storage facilities.
  • Dairy Farms: Controls 5.5kW~7.5kW 3-phase milk cooling pump motors—24V DC coil option fits farm control cabinets; auxiliary contacts trigger alarms for pump failure, protecting milk quality.

The structure and details of the product：

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