(1) KTO 011 and KTS 011, which one do you need?

KTO 011: Thermostat (normally closed); contact breaker for regulating heaters.
KTS 011:Thermostat (normally open); contact maker for regulating of filter fans and heat exchangers or for switching signal devised when temperature limit has been exceeded

 

Technical Data

Switch temperature difference 7K (± 4K tolerance)
Sensor element thermostatic bimetal
Contact type snap-action contact
Contact resistance <10m
Service life >100,000 cycles
Max.Switching capacity 250VAC, 10(2) A
120VAC, 15(2) A
DC 30W at 24VDC to 72VDC
EMC acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3
Connection 2-pole terminal, clamping torque 0.5Nm max:
rigid wire 2.5mm2
stranded wire (with wire end ferrule) 1.5mm2
Mounting clip for 35mm DIN rail, EN50022
(or for exit filter EF 118 Series)
Casing plastic according to UL94 V-0, light grey
Dimensions 60×33×43mm
Weight approx. 40g
Fitting position variable
Operating / Storage temperature -45 to +80°C (-49 to +176°F)
Protection type IP20