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WEIDMULLER 992574 Circuit Breaker 3 Pole

The WEIDMULLER 91H Series circuit breakers are robust thermal-magnetic devices designed for reliable overcurrent protection in industrial applications. These circuit breakers mount on 35mm DIN rails and are available in 1, 2, and 3 pole configurations, catering to diverse circuit protection needs. They boast CSA, VDE, and UL approvals, ensuring compliance with international standards. With an interrupting capacity up to 10KA, these breakers provide a high level of protection against short circuits. The 91H series is ideal for use in control cabinets, power distribution systems, and other industrial environments where reliable circuit protection is paramount. Optional bus bars are available for enhanced power distribution.

Authorized Distributors
Part No:992574
Stock:1
Inv Date:06-11-2026
Price: Unit price: $50.19
Buy/RFQ:
Part No:992574
Stock:1
Inv Date:06-11-2026
Price: Unit price: $50.19
Buy/RFQ:

WEIDMULLER 992574 Circuit Breaker 3 Pole Specifications:

  • series: 91H
  • current_ratings: 0.5A to 63A
  • maximum_voltage_rating: AC 277/480V or AC347/600V
  • temperature_range_operating: -25°C to +55°C
  • temperature_range_storage: -55°C to +55°C
  • insulation_resistance: >100 MΩ at 500Vdc
  • typical_life_mechanical: 4000 operations
  • typical_life_electrical: 10000 operations
  • vibration: 3g (10 to 55Hz)
  • shock: 20g (10ms)
  • weight_1_pole: 130g
  • weight_2_pole: 280g
  • weight_3_pole: 430g
  • cable_size_line: max. 35mm2 / AWG 2
  • cable_size_load: max. 25mm2 / AWG 3
  • cable_size_auxiliary: max. 2.5mm2 / AWG 13
  • strip_length: 12mm
  • torque: 2Nm
  • max_rupture_capacity_0_5_20A: 10000A (VDE, CSA)
  • max_rupture_capacity_25_50A: 10000A (VDE), 2000A (CSA)
  • max_rupture_capacity_63A: 10000A with series fuse 250A class RK1 (VDE), 2000A (CSA)
  • auxiliary_contact_h: X211 754 01
  • auxiliary_contact_shhh: X211 756 01
  • busbar_3phase_10mm2_210mm: Y304 153 01
  • busbar_3phase_10mm2_1010mm: Y304 154 01
  • busbar_3phase_16mm2_210mm: Y304 155 01
  • busbar_3phase_16mm2_1010mm: Y304 156 01
  • busbar_singlephase_12mm2_210mm: Y304 157 01
  • terminal_clamp_3phase_busbar: Y304 158 01
  • lockout_piece: Y304 845 01

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Frequently Asked Questions

Where can I buy WEIDMULLER 992574?

You can click on the BUY or RFQ button to purchase 992574 from an authorized WEIDMULLER distributor.

How do I troubleshoot issues or seek technical support for part 992574?

You can download the 992574 datasheet or visit the WEIDMULLER website for support.

Who is the manufacturer of 992574?

WEIDMULLER

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