Product Overview
The Schneider Electric LC1D18P7 is a three-pole TeSys Deca electromagnetic contactor for controlling three-phase motors and resistive loads.
It is extensively used in marine switchboards, motor starters, pump-control panels, ventilation systems and auxiliary machinery. The contactor carries several marine classification approvals, including DNV, BV, Lloyd’s Register and RINA.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Product range | TeSys Deca |
| Model/part number | LC1D18P7 |
| Contactor application | Motor and resistive-load control |
| Number of poles | 3 |
| Main contacts | 3 normally open |
| AC-3 operational current | 18 A at up to 440 V |
| AC-1 operational current | 32 A at up to 440 V |
| Motor rating | 7.5 kW at 400/415 V |
| Coil voltage | 230 V AC, 50/60 Hz |
| Integrated auxiliary contacts | 1 NO + 1 NC |
| Maximum power-circuit voltage | 690 V AC |
| Connection | Screw-clamp terminals |
| Mounting | 35 mm DIN rail or screw mounting |
| Width | 45 mm |
| Approximate dimensions | 45 × 77 × 86 mm |
| Approximate weight | 0.33 kg |
| Maximum operating rate | Up to 3,600 cycles/hour |
| Electrical durability | Approximately 1.65 million AC-3 cycles at 18 A |
| Mechanical durability | Approximately 15 million cycles |
Main Features
- Compact three-pole motor contactor
- 18 A AC-3 motor-control rating
- 230 V AC coil for common marine control supplies
- Integrated 1 NO and 1 NC auxiliary contacts
- DIN-rail or panel mounting
- Screw-clamp power and control terminals
- High electrical and mechanical endurance
- Suitable for direct-on-line and reversing starters
- Compatible with TeSys Deca thermal-overload relays
- Marine classification approvals available
Marine and Offshore Applications
- Seawater and freshwater pumps
- Lubricating-oil pumps
- Fuel-oil transfer and booster pumps
- Engine-room ventilation fans
- Air compressors
- Refrigeration compressors
- Hydraulic power packs
- Steering-gear auxiliary systems
- Deck-machinery control panels
- Boiler and incinerator panels
- HVAC and accommodation ventilation
- Motor-control centres and distribution panels
