Schneider Electric
Schneider Electric LC1D12B7 3" Harsh Environment Hook-and-Loop Closure
A 3-pole IEC magnetic contactor rated 12 A inductive at 24 V AC coil voltage with 1NO/1NC auxiliary contacts
- Type3" 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.
Highlights
- 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
Specifications
| Brand | Schneider Electric |
|---|---|
| Model | LC1D12B7 |
| Type | 3" 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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