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Transparent rectangular contactor with screw terminals and DIN rail mounting, 1.77 by 3.03 inches

Schneider Electric

Schneider Electric Square D LC1D12T7 IEC Magnetic Contactor 12A 480V AC 3P Non-Reversing

SKU CH-QHJB-WB5R2

Three-pole IEC contactor rated 12 A inductive and 25 A resistive at 480 V AC, with 1 NO and 1 NC auxiliary contacts, screw-clamp terminals and DIN-rail or plate mounting

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • 3-pole contactor handles 12 A inductive loads
  • 25 A resistive rating supports heating circuits
  • 480 V AC coil integrates with industrial supplies
  • DIN-rail or plate mounting fits standard panels
  • Screw-clamp terminals speed up field wiring

12 A IEC Magnetic Contactor for Motor Control

This Square D TeSys Deca contactor switches three-phase inductive loads up to 12 A and resistive loads up to 25 A at 480 V AC. It provides 1 NO and 1 NC auxiliary contacts for control-circuit signalling. The screw-clamp terminals accept solid or stranded conductors. Mounting is by DIN rail or plate.

Suits panels that need a non-reversing IEC starter

It fits applications where a single-direction motor or heater is controlled by a 480 V AC coil. Builders needing a reversing contactor, a different coil voltage, or a NEMA-rated enclosure should select another model. The open design also means it must be installed inside a suitable enclosure.

12 A inductive rating at 480 V AC three-phase

This current value determines whether the contactor can carry the load without overheating. Verify the motor or heater nameplate current against the 12 A inductive rating before specifying the part.

Highlights

  • 3-pole contactor handles 12 A inductive loads
  • 25 A resistive rating supports heating circuits
  • 480 V AC coil integrates with industrial supplies
  • DIN-rail or plate mounting fits standard panels
  • Screw-clamp terminals speed up field wiring

Specifications

BrandSQUARE D
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

How often should the auxiliary contacts rated for 1NO/1NC be inspected or replaced under normal industrial duty?

The contactor provides two auxiliary contacts in a 1NO/1NC arrangement; schedule periodic visual checks for pitting or welding and replace when contact resistance rises beyond the 12 A inductive or 25 A resistive ratings.

Which rating — the 12 A inductive or the 25 A resistive limit — will be reached first during continuous motor starting?

Motor loads are inductive, so the 12 A inductive full-load current is the governing limit; sustained operation above 12 A will trip overload protection before the 25 A resistive rating becomes relevant.

How much heat does the 480 V AC coil dissipate when the contactor stays energised all day on a DIN rail?

The coil operates at 480 V AC and the unit measures 3.03 in high by 1.77 in wide; heat rise is modest and the open-frame design relies on natural convection around the screw-clamp terminals for cooling.

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