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.
Art. No. Contact breaker (NC)
Art. No. Contact maker (NO)
Setting range
860669
860674
0 to +60°C
860670
860675
-10 to +50°C
860671
860676
+20 to +80°C
860672
860677
+32 to +140°F
860673
860678
+14 to +122°F
• Large setting range
• Small size
• Simple to mount
• High switching performance
NTL 79: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.
NTL 80: 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.