Functioning
Connect the voltage on the contactor’s coil will switch the contact. Contactor’s status is indicated by blinking red marker in the box. After a loss of power the contacts return to their original position.
Modular contactor ST40-31
Current 40 A. Voltage 230 V AC. Power AC1 16 kW. Power AC3 5.5 kW.
Electromagnetic contactors in modular case for direct mounting on rail 35mm.
Reference ST40-31
- Coil supply voltage
- 230 V AC
- Contact configuration
- 3×NO+1×NC
- Main track current
- 40 A
- Switching power cat. AC1 (230V)
- 16 kW
- Switching power cat. AC3 (230V)
- 5,5 kW
- Module
- 3
- Standard number
- IEC 61095
- Electrical connection life
- 1x10⁵
- Mechanical connecting durability
- 1x10⁶
- Weight
- 241 g
- Screw terminals
- 16 mm²
- Isolation voltage
- 4 kV
- Power consumption
- 6,4 W
- Working temperature
- -25 ÷ 50 °C
- Assembly
- on rail 35 mm
- Ingress Protection Marking
- IP20
| type | contacts | current AC1 | supply voltage |
power | mod | weight | screws |
| ST25-20 | 2NO | 25A | 230V AC | 2,2W | 1 | 106g | 4mm² |
| ST25-20/24 | 2NO | 25A | 24V AC | 2,2W | 1 | 106g | 4mm² |
| ST25-11 | 1NO+1NC | 25A | 230V AC | 2,2W | 1 | 106g | 4mm² |
| ST25-30 | 3NO | 25A | 230V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-31 | 3NO+1NC | 25A | 230V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-31/24 | 3NO+1NC | 25A | 24V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-40 | 4NO | 25A | 230V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-40/24 | 4NO | 25A | 24V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-04 | 4NC | 25A | 230V AC | 4,0W | 2 | 168g | 4mm² |
| ST25-22 | 2NO+2NC | 25A | 230V AC | 4,0W | 2 | 168g | 4mm² |
| ST40-40 | 4NO | 40A | 230V AC | 6,4W | 3 | 241g | 10mm² |
| ST40-40/24 | 4NO | 40A | 24V AC | 6,4W | 3 | 241g | 10mm² |
| ST40-31 | 3NO+1NC | 40A | 230V AC | 6,4W | 3 | 241g | 10mm² |
| ST63-40 | 4NO | 63A | 230V AC | 6,4W | 3 | 241g | 10mm² |
| ST63-40/24 | 4NO | 63A | 24V AC | 6,4W | 3 | 241g | 10mm² |
| ST63-31 | 3NO+1NC | 63A | 230V AC | 6,4W | 3 | 241g | 10mm² |
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