> Small size
> Simple to mount
> High switching performance
DMO 1140: Thermostat (normally closed); contact breaker for regulating heaters. The contact opens when temperature
is rising
.
DMS 1141: 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
.DMO 1140 / DMS 1141
Switch temperature difference
+/-5°C
Sensor element
thermostatic bimetal
Contact type
snap-action contact
Service life
> 100,000 cycles
Max. switching capacity
250VAC, 10 (2) A / 120VAC, 15 (2) A
DC 30W at 24VDC to 72VDC
Max. inrush current
AC 16A for 10 sec.
Connection
2-pole terminal, clamping torque 0.5Nm max.: rigid wire 2.5mm2 (AWG 14)stranded wire1 1.5mm2 (AWG 16)
Mounting
clip for 35mm DIN rail, EN 60715
Casing
plastic according to UL94 V-0, light grey
Dimensions
60 x 33 x 43mm
Weight
approx. 40g
Fitting position
variable
Operating/Storage temperature
-45 to +80°C (-49 to +176°F)
Operating/Storage humidity
max. 90% RH (non-condensing)
Protection type
IP20
1When 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.