Switches for temperature

Limit value switch for temperature (NTC thermistor)


Limit value switch RH41M

  • Limit value switch for temperature, NTC thermistor
  • Simple application; for harsh environments
  • Limit value freely adjustable by drum scale
  • Compact and robust construction


Limit value switches of type RH41M are specially designed products for monitoring maximum temperatures. Its compact and robust design, as well as the relevant shipbuilding approvals, make this product ideal for marine applications.

Technical data

Supply voltage US Us

18...36 VDC

Input signal


Output contact

Potential-free relais contact (normally open); Imax = 0.5 A; Umax = 60 V

Maximum switching capacity

30 W (1 A at 30 VDC; 0.5 A at 60 VDC); 40 W (0.2 A at 220 VAC)

Operating temperature

-25 °C...+70 °C


DIN 46244 flat connector, gold-plated A6.3 x 0.8


TS32 mounting rail