Metal Body Limit Switches
For Position, End of Travel, Production Detection & Safety Application
Bernstein metal-body limit switches are rugged, industrial-grade position or end-of-travel switches designed for harsh environments. Their housings are made of durable die-cast or sheet aluminum, offering protection classes typically IP65 to IP67, depending on model and mounting.
Major series include M49, GC, MN78, SN2, and D—each with variation in actuator types, outlet/cable routing (side, bottom, top, or via M12 connector), mounting orientations, and contact configurations.
M49 Series
- Flat and compact design
- Pre-installed connecting cable (1m length) for quick and easy installation
- Top-mounting versions available
- Cable or M12 outlet on the side or at the bottom
- High protection class IP67
- For safety applications to DIN EN 60947-5-1 (positive break)
MN78 Series
- 2 or 4 Contact versions available
- Protection class IP66 and IP67 to EN 60529
- Enclosure: Die-cast aluminium
- Cover: Aluminium
- Actuator rotatable by 8 × 45°
- Cable entry M20 × 1.5
SN2 Series
- Protection class IP65 to VDE 0470 T1
- Enclosure: Die-cast aluminium
- Cover: Sheet aluminium
- Actuator can be repositioned by 4 x 90°
- Cable entry 3 x M20 x 1.5
- Connection designation to DIN EN 50013
- Metal actuators for high loads
- Graduated adjustment of the AH lever
D Series
- Protection class IP65 according to VDE 0470 T1
- Enclosure: Die-cast aluminium
- Cover: Sheet aluminium
- Actuator rotable by 4 x 90° (depending on type)
- Cable entries 2 x M20 x 1.5
- Connection designation conforming to DIN EN 50013
- Sturdy contacts
- Hard wearing guide bushes