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Schneider Electric
Schneider LC1D Series Contactor (9A-95A) AC24V/36V/48V/110V/220V/380V
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Schneider TeSys LC1D Series AC Contactor 9A–95A
Schneider Electric TeSys LC1D series AC contactors cover 9A, 12A, 18A, 25A, 32A, 40A, 50A, 65A, 80A and 95A (AC-3). They are 3-pole electromagnetic contactors used to start/stop three-phase motors, pumps, fans, compressors, HVAC units, lighting and resistive loads. Coil options include AC24V, AC110V, AC220V and AC380V; mounting is standard 35 mm DIN rail or screw-fixed panel. For motor duty, pair an LC1D contactor with an LRD thermal overload relay.
Key Features
- Series: Schneider TeSys D / Deca (LC1Dxx)
- Poles: 3P (main contacts 3NO); built-in 1NO + 1NC auxiliary
- Current range: 9A – 95A AC-3
- Rated voltage: power circuit up to 690V AC
- Coil voltage: AC24V / AC36V / AC48V / AC110V / AC220V / AC380V (DC coil available on specific models)
- Utilisation: AC-3 (motor), AC-1 (resistive), AC-4 (heavy starting)
- Mounting: 35 mm DIN rail / panel screw
- Standards: IEC 60947-4-1, EN 60947-4-1; CE/CCC/UL/CSA on genuine Schneider models
- Terminals: screw clamp (L1/T1, L2/T2, L3/T3; coil A1/A2)
- Typical life: millions of mechanical operations on TeSys D frames
LC1D 9A–95A Selection Table (400V AC-3)
| Model | AC-3 Current | Motor Power @400V | Typical Use |
|---|---|---|---|
| LC1D09 | 9A | 4 kW | Small pumps, fans, 3-phase 5HP@480V |
| LC1D12 | 12A | 5.5 kW | Conveyors, small compressors |
| LC1D18 | 18A | 7.5 kW | Machine tools, blowers |
| LC1D25 | 25A | 11 kW | Water pumps, mixers |
| LC1D32 | 32A | 15 kW | Industrial fans, feeders |
| LC1D40 | 40A | 18.5 kW | Compressors, crushers |
| LC1D50 | 50A | 22 kW | Large pumps, HVAC plant |
| LC1D65 | 65A | 30 kW | Process machines |
| LC1D80 | 80A | 37 kW | Heavy conveyors, mills |
| LC1D95 | 95A | 45 kW | Big motors, star-delta starters |
Rule: Pick LC1D frame whose AC-3 current ≥ motor full-load current. For high ambient temperature, frequent starts, or AC-4 duty, go one frame size up.
Coil Code Reference
- LC1D09M7 = 9A contactor, AC220V coil
- LC1D25F7 = 25A contactor, AC110V coil
- LC1D95Q7 = 95A contactor, AC380V coil
- BD suffix = DC24V coil (e.g. LC1D09BD)
Common Accessories
- Overload relay: TeSys LRD / LR2 → motor overload protection
- Auxiliary block: LA7D / LADN → extra NO/NC contacts
- Circuit breaker: Miniature circuit breaker (MCB) or motor protection circuit breaker upstream
- Surge / Snubber: For inductive coil switching in PLC panels
FAQ
Is LC1D09 the same as CJX2 / TeSys D style?
Can I use a 9A contactor for a 7.5kW motor?
Coil voltage vs motor voltage — what matters?
Do LC1D contactors need an overload relay?
3-pole or 4-pole?
Field Experience Note
In field panels we usually size the contactor from the motor nameplate FLA, not from kW alone. A 4kW motor at 400V is about 8.5A, so LC1D09 is okay; a 5.5kW motor is about 11A, so LC1D12; an 11kW motor is about 22A, so LC1D25. If the panel runs in a hot enclosure or the motor starts 20+ times per hour, move up one frame. Always mount the LRD overload directly under the contactor and feed the coil from a clean control supply.
Care Instructions
Care Instructions
