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Schneider Electric LC1D12B7 magnetic contactor, compact rectangular block, grey industrial finish

Schneider Electric

Schneider Electric LC1D12B7 3" Harsh Environment Hook-and-Loop Closure

SKU CH-EX4E-27HZD

A 3-pole IEC magnetic contactor rated 12 A inductive at 24 V AC coil voltage with 1NO/1NC auxiliary contacts

  • Product type3 in Harsh Environment, Hook-and-Loop Closure
  • 3-pole contactor handles 12 A inductive and 25 A resistive loads
  • 24 V AC coil operates on standard 50/60 Hz control circuits
  • Motor ratings from 1 hp at 120 V to 10 hp at 575 V three-phase
  • Compact 3.03 × 1.77 × 3.38 in frame fits tight panels
  • Built-in 1NO/1NC auxiliary contact simplifies control wiring
  • CSA and UL listed for code-compliant installations

Schneider Electric LC1D12B7 Contactor

The Schneider Electric LC1D12B7 is a three-pole IEC magnetic contactor rated for 12 amps inductive and 25 amps resistive load. It operates on a 24V AC coil at 50 or 60 Hz and includes one normally open and one normally closed auxiliary contact. The unit carries CSA and UL standards and is supplied without an enclosure.

Upgrading from lower-rated contactors

This contactor replaces units with lower full-load amp ratings or fewer poles when the application demands 12 A inductive switching. The jump is worth it when motor loads reach 1 hp at 120 V single-phase, 2 hp at 240 V single-phase, 3 hp at 240 V three-phase, 7.5 hp at 480 V three-phase or 10 hp at 575 V three-phase. It does not suit buyers who need reversing operation or an integrated enclosure.

Fitting into a control panel

The compact frame measures 3.03 in high, 1.77 in wide and 3.38 in deep, allowing dense mounting on DIN rail or screw-fixed panels. The 24V AC coil draws minimal control-circuit power, freeing capacity in the control transformer. Auxiliary contacts 1NO/1NC provide status feedback without extra relays. Installers must supply short-circuit protection and wiring rated for the applied voltage.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $102.99
Pricier than about 75% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameSchneider Electric
Model nameLC1D12B7
Product type3 in Harsh Environment, Hook-and-Loop Closure

Questions about this item

What panel cut-out does the 3.03 in high by 1.77 in wide contactor need?

The unit measures 3.03 in high, 1.77 in wide and 3.38 in deep; allow that envelope plus wiring bend radius when planning the cut-out.

Which coil terminals take the 24 V AC supply and what is the common wiring mistake?

Connect 24 V AC to the A1 and A2 coil terminals; the frequent error is feeding line voltage to the coil instead of the control circuit.

When should the 1 NO / 1 NC auxiliary contacts be checked or replaced?

Inspect the 1 NO / 1 NC auxiliary contacts during scheduled maintenance and replace them if contact resistance rises or switching becomes unreliable.

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