Schmersal MV10H330-11y-M20-1348 Magnetic Safety Switch for Guard Door Monitoring

Product Overview

The Schmersal MV10H330-11y-M20-1348 is a non-contact magnetic safety switch designed for monitoring the position of movable guards, doors, and gates on industrial machinery. It is part of the MV10 series, known for its compact design, high tamper resistance, and compliance with ISO 14119. The switch operates on the principle of coded magnets, ensuring that only the corresponding actuator can activate the output. This provides a high level of safety against defeat by simple magnets. The MV10H330-11y-M20-1348 is suitable for applications up to Performance Level e (PL e) and SIL 3.

Key Features of MV10H330-11y-M20-1348

The safety switch has a thermoplastic enclosure rated IP67 for dust and water ingress, making it suitable for harsh environments. It features a 5-meter PVC cable (M20 gland entry) and includes two redundant safety contacts (normally open) and one auxiliary contact. The switch has a small sensing range (up to 8mm) with a high tolerance to misalignment. The actuator (sold separately) is coded to prevent bypassing. The switch is designed for use with safety relays or safety PLCs, providing a low-power DC output.

The MV10H330-11y-M20-1348 operates at 24 V DC with a current consumption of 30 mA. It has a maximum switching current of 250 mA per safety output. The response time is less than 2 ms. The operating temperature range is -25°C to +80°C. The switch is CE and UL certified. It mounts with two M4 screws, and the actuator is mounted on the guard door.

Technical Specifications

• Manufacturer: Schmersal

• Part Number: MV10H330-11y-M20-1348

• Series: MV10

• Product Type: Magnetic Safety Switch

• Actuation Type: Non-contact, coded magnetic

• Safety Outputs: 2 NO (redundant, 24 V DC, 250 mA)

• Auxiliary Output: 1 NC (24 V DC, 100 mA)

• Sensing Range (max): 8 mm (with actuator)

• Response Time: < 2 ms

• Power Supply: 24 V DC (±10%)

• Current Consumption: 30 mA (without load)

• Housing Material: Thermoplastic

• Degree of Protection: IP67

• Cable Length: 5 m (PVC, M20 gland)

• Operating Temperature: -25 to +80 °C

• Safety Level: PL e (ISO 13849-1), SIL 3 (IEC 61508)

• Mounting: 2 x M4 screws

• Certifications: CE, UL, TÜV

Functional Description

When the guard door is closed, the coded actuator moves into the sensing face of the switch. The internal reed switches close only when the correct magnetic code is detected, closing the two safety contacts. When the door opens, the magnetic field is removed, the contacts open, and the safety outputs de-energize, signaling a stop command to the machine safety circuit. The auxiliary output provides status for PLC monitoring. The redundant contacts ensure a fail-safe operation; even if one contact welds, the other will open.

Applications

The Schmersal MV10H330-11y-M20-1348 is used on hinged or sliding guard doors on packaging machines, robotic cells, conveyor systems, and woodworking equipment. It provides a cost-effective solution for guard monitoring where contactless operation is preferred.