Overview
The Telemecanique LP1-D123 is a 3-pole motor contactor engineered for industrial motor control and automation systems. Built to international standards (IEC 158-1, VDE 0660, BS 5424), this contactor delivers dependable load switching in manufacturing, HVAC, power distribution, and machinery applications. Designed for harsh industrial environments, the LP1-D123 combines durability with precise electrical control.
Key Features
- 3-pole + 1 NO (normally open) auxiliary contact configuration
- 25A rated current capacity with 660V insulation voltage
- Flexible coil voltage options (24V, 110V, 220V, 380-480V available on variants)
- AC3 rated for motor load switching up to 5.5kW–7.5kW depending on voltage
- Compact, modular design for panel mounting
- Compliant with international electrical standards
Technical Specifications
- Part Number: LP1-D123
- Manufacturer: Telemecanique (Schneider Electric)
- Contact Configuration: 3-pole + 1 NO auxiliary
- Rated Current (ITH): 25A at 500V AC
- Insulation Voltage (UI): 660V
- AC3 Power Rating: 5.5kW–7.5kW (varies by coil voltage)
- Operating Standard: IEC 158-1, UTE 63110, VDE 0660, BS 5424
- Coil Options: Multiple (24V, 110V, 220V, 380-480V available)
- Auxiliary Contact Rating: 24A at 600V max.
- Weight: ~0.59–0.6 lbs (0.27–0.27 kg)
- Mounting: DIN-rail compatible; panel-mount standard
Typical Applications
The Telemecanique LP1-D123 is widely used in:
- Motor Control: Start/stop control for three-phase motors in conveyor systems, pumps, and compressors
- HVAC Systems: Climate control equipment and ventilation units
- Manufacturing: Machine tool control, assembly line automation
- Power Distribution: Load switching in industrial electrical panels
- Lighting Control: Three-phase lighting circuits in large facilities
- Automation Integration: PLC-controlled motor starter circuits
Compatibility & Replacements
Compatible With
- Three-phase AC power distribution systems (380-480V, 220V, 50/60Hz)
- Standard industrial relay logic and PLC control circuits
- Modular contactor stacks and starter enclosures
- IEC-standard electrical panels and motor control centers (MCCs)
Replaces / Drop-In Replacement For
- LC1-D123 series variants with similar coil voltages
- Verify exact coil voltage match (24V, 110V, 220V, 380-480V) before ordering as coil type affects interchangeability
Works With
- Standard industrial control relays and overload protection devices
- Telemecanique/Schneider Electric thermal and magnetic overload relays
- Manual motor starters and soft-starters
- PLC analog/digital output modules (24V logic compatible with most coil options)
- Legacy and modern automation control systems










