¹ When connecting with wires, wire end ferrules must be used.
Important note: The contact system of the regulator is subjected to environmental influences, thus the contact resistance may change. This can lead to a voltage drop and/or self-heating of the contacts.
Fast Fixing Type (F Type)
Setting range
NT 41-F (NC Type)
NT 42-F (NO Type)
41NCF01
42NOF01
0 to +60°C
41NCF02
42NOF02
-10 to +50°C
41NCF03
42NOF03
+20 to +80°C
41NCF04
42NOF04
+32 to +140°F
41NCF05
42NOF05
+14 to +122°F
• Large setting range
• Small size
• Simple to mount
• High switching performance
NTL 41-F: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.
NTL 42-F: Thermostat (normally open); contact maker for regulating of filter fans and heat exchangers or for switching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising.