Project Description

KTO 011

KTO 011: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature is rising.

KTS  011: 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.

KTO 011

Selection and Technical Data

ItemsTechnical
Switch temperature difference7K (±4K tolerance)
Weight40g
Service life> 100,000 cycles
Sensor elementthermostatic bimetal
Operating/Storage temperature-45 to +80°C (-49 to +176°F)
Operating/Storage humiditymax. 90% RH (non-condensing)
Mounting35mm DIN rail
Max. switching capacity250VAC, 10 (2) A / 120VAC, 15 (2) A
DC 30W at 24VDC to 72VDC
Max. inrush currentAC 16A for 10 sec.
Fitting positionvariable
Dimensions60 x 33 x 43mm
Contact typesnap-action contact
Connection2-pole terminal, clamping torque 0.5Nm max.:
rigid wire 2.5mm² (AWG 14)
stranded wire1 1.5mm² (AWG 16)
Protection typeIP20

When connecting with stranded 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.

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