Schmersal AZM40B-ST-1P2P Solenoid Interlock
The AZM40B-ST-1P2P Schmersal Countersink Mounting Holes Solenoid Interlocks use RFID working principle and provide 2600 N holding force for reliable industrial safety applications. Schmersal AZM40B-ST-1P2P belongs to Schmersal Solenoid Interlocks and the AZM Series used in industrial automation systems. The interlock operates at 125 kHz frequency, has 100 ms reaction time, and includes 2 safety contacts for machine guarding systems.

| Brand | Schmersal |
| Product Type | Solenoid Interlock |
| Model Number | AZM40B-ST-1P2P |
Schmersal AZM40B-ST-1P2P Solenoid Interlock – Technical Specifications
| Specification | Value |
|---|---|
| Working principle | RFID |
| Frequency band RFID | 125 kHz |
| Transmitter output RFID, maximum | -6 dB/m |
| Housing material | Light alloy die cast and plastic (glass-fibre reinforced thermoplastic) |
| Reaction time, maximum | 100 ms |
| Duration of risk, maximum | 200 ms |
| Number of safety contacts | 2 |
| PFH value | 1.10 x 10⁻⁹ /h |
| PFD value | 8.90 x 10⁻⁵ |
| Interlocking principle | bistable |
| Mechanical life, locking cycles | 1,000,000 Operations |
| Mechanical life, actuator cycles | 500,000 Operations |
| Holding force FZh in accordance with EN ISO 14119 | 2,000 N |
| Holding force Fmax, maximum | 2,600 N |
| Latching force | 40 N |
| Actuating speed, maximum | 0.5 m/s |
| Mounting | mounting holes countersink |
| Type of the fixing screws | 2x M5 |
| Tightening torque of the fixing screws, minimum | 4 Nm |
| Tightening torque of the fixing screws, maximum | 6 Nm |
| Assured switching distance "ON" Sao | 1 mm |
| Assured switching distance "OFF" Sar | 8 mm |
| Length of sensor chain, maximum | 30 m |
| Termination | Connector M12, 8-pole, A-coded |
| Length of sensor | 119.5 mm |
| Width of sensor | 40 mm |
| Height of sensor | 20 mm |
| Degree of protection | IP66, IP67, IP69 |
| Ambient temperature | -20 ... +55 °C |
| Storage and transport temperature | -40 ... +85 °C |
| Relative humidity, maximum | 93 % |
| Resistance to vibrations | 10 … 55 Hz, amplitude 1 mm |
| Restistance to shock | 30 g / 11 ms |
| Protection class | III |
| Permissible installation altitude above sea level, maximum | 2,000 m |
| Rated insulation voltage Ui | 32 VDC |
| Rated impulse withstand voltage Uimp | 0.8 kV |
| Operating voltage | 24 VDC -15 % / +10 % (stabilised PELV power supply) |
| Rated operating voltage | 24 VDC |
| Operating current | 1,200 mA |
| Required rated short-circuit current | 100 A |
| External wire and device fuse rating | 2 A gG |
| Time to readiness, maximum | 4,000 ms |
| Switching frequency, maximum | 0.25 Hz |
| Switching thresholds | −3 V … 5 V (Low) 15 V … 30 V (High) |
| Magnet switch-on time | 100 % |
| Current consumption at 24V, minimum | 10 mA |
| Current consumption at 24V, maximum | 15 mA |
| Current consumption at 24 V | 5 mA |
| Gross weight | 301 g |
TheAZM40B-ST-1P2P Schmersal Countersink Mounting Holes Solenoid Interlocks are designed for industrial automation systems requiring monitored safety and controlled access. The interlock uses RFID technology with a 125 kHz frequency band to provide secure locking and unlocking. With a 2600 N holding force and 100 ms reaction time, the interlock ensures reliable operation in machine guarding applications. AZM40B-ST-1P2P belongs to the AZM Series and is commonly used in systems requiring 2 safety contacts for ensuring safety during machinery operation.
AZM40B-ST-1P2P solenoid interlocks are used in various industrial applications such as conveyors, packaging lines, assembly systems, and automated machinery requiring controlled safety access. The interlock helps maintain secure machine guarding by preventing unauthorized access during operation. Schmersal interlocks are highly reliable, ensuring that industrial machinery remains in a safe and locked state when needed. The AZM Series features a compact design with countersink mounting holes, making it easy to integrate into industrial environments while ensuring robust and secure machine safety.
AZM40B-ST-1P2P from Schmersal combines RFID-based safety monitoring with strong locking force for industrial automation systems. The interlock provides 2600 N holding force, 2 safety contacts, and a 100 ms reaction time for reliable machine guarding. Schmersal AZM Series solenoid interlocks are trusted for their performance in industrial machinery where safety is critical. Schmersal AZM40B-ST-1P2P offers effective locking and monitoring solutions for automated systems and ensures a safe working environment across manufacturing processes in India.







