Mini Contactor | LC1K09 10B7
Mini Contactor | LC1K09 10B7
Blog Article
The LC1K0910B7 is a mini contactor from Schneider Electric’s TeSys K series, designed for compact and efficient motor control in industrial and commercial applications. Below are its key specifications:
???? General Specifications
Model: LC1K0910B7
Series: TeSys K (Mini Contactor)
Rated Current (Ie): 9 A (AC-3, 400 V)
Rated Operational Voltage (Ue):
AC: 230 V – 690 V
DC: Up to 440 V (for DC-1 applications)
Power Rating (AC-3):
400 V: 4 kW
230 V: 2.2 kW
Utilization Categories:
AC-3: Squirrel cage motors (start/stop)
AC-1: Resistive loads
AC-4: High inrush currents (slip-ring motors, frequent switching)
???? Control & Coil Data
Coil Voltage: 230 V AC (50/60 Hz) (other variants available)
Power Consumption (Coil): ~4.5 VA
Pick-up Voltage: 80–110% of rated voltage
Drop-out Voltage: 20–60% of rated voltage
???? Contact Configuration
Main Contacts: 3 NO (Normally Open)
Auxiliary Contacts: 1 NO + 1 NC (included)
Contact Material: Silver alloy (AgNi + AgSnO₂ for high endurance)
???? Mechanical & Electrical Life
Electrical Life (AC-3): 100,000+ operations
Mechanical Life: 1,000,000+ operations
???? Mounting & Terminals
Mounting: DIN rail (35 mm) or screw mounting
Terminal Type: Screw clamp (finger-safe design)
???? Protection & Safety
Built-in Arc Suppression: Yes (for reduced wear)
Insulation Class: Class F (155°C)
Certifications: CE, UL, IEC/EN 60947-4-1
???? Typical Applications
✅ Small motor control (pumps, fans, conveyors)
✅ HVAC systems
✅ Lighting control
✅ Industrial automation
???? Ordering Information
Schneider Part No.: LC1K0910B7
Alternative Models:
LC1K0610B7 (6 A, 2.2 kW)
LC1K1210B7 (12 A, 5.5 kW)
LC1K0910BD (24 V DC coil)
???? Comparison with Similar Contactors
| Feature | Schneider LC1K0910B7 | Siemens 3RT1044-1AP00 | Omron J7KCA-22 AC400 |
|---|---|---|---|
| Type | Mini Contactor | Standard Contactor | Power Relay |
| Current (AC-3) | 9 A | 12 A | 16 A (inductive) |
| Voltage | 690 V AC | 690 V AC | 400 V AC |
| Contacts | 3 NO + 1NO/1NC | 3 NO + aux. option | 2 NO |
| Coil Voltage | 230 V AC | Multi-voltage | 400 V AC |
| Mounting | DIN rail | DIN rail | DIN rail |
???? Notes
✔ Compact size (saves panel space)
✔ Includes auxiliary contacts (no need for separate blocks)
✔ Higher mechanical life than relays (better for motor switching)https://store.unigulfsupply.com/product/lc1k09-mini-contactor/