型号说明:一体型恒温器ZR 011

  • NO and NC in one casing
  • Separate adjustable temperatures
  • High switching capacity
  • Terminals easily accessible
  • Clip fixing

Two thermostats in one casing:
Thermostat (contact breaker, normally closed) for regulating heaters. The contact opens when temperature is rising.

Thermostat (contact maker, normally open) for regulating filter fans and heat exchangers or switching signal devices when temperature limit has been exceeded. The contact closes when temperature is rising.

Heaters and cooling equipment can be switched independently from each other with a temperature offset as opposed to the usual change-over contacts.



Switch temperature difference 7K (±4K tolerance)
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 4-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 67 x 50 x 46mm
Weight approx. 90g
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
Approvals VDE, UL File No. E164102, CSA, EAC

¹ 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.

Art. No.               Setting range               Setting range
01172.0-00 Contact breaker (NC) 0 to +60°C Contact maker (NO) 0 to +60°C
01172.0-01 Contact breaker (NC) +32 to +140°F Contact maker (NO) +32 to +140°F
01175.0-00 Contact breaker (NC) -10 to +50°C Contact maker (NO) +20 to +80°C
01175.0-01 Contact breaker (NC) +14 to +122°F Contact maker (NO) +68 to +176°F
01176.0-00² Contact maker (NO) 0 to +60°C Contact maker (NO) 0 to +60°C
01176.0-01² Contact maker (NO) +32 to +140°F Contact maker (NO) +32 to +140°F

² For regulating heat exchangers and fans (e. g. LE 019) and as an alarm contact for monitoring the interior temperature of electronic enclosures.


Dual Thermostat ZR 011

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