Regulating and Monitoring

Heating / Cooling

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Small, compact Thermostat KT 011
KT 011
Tamperproof Thermostats (Pre-set) FTO 011 / FTS 011
FTO 011
Dual Thermostat ZR 011
ZR 011
Mechanical Thermostat FZK 011
FZK 011
Electronic Thermostat ET 011 (24VDC)
ET 011

Dual Thermostat ZR 011

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

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

Technical Data

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Switch temperature difference 7K (± 4K tolerance)
Sensor element thermostatic bimetal
Contact type snap-action contact
Contact resistance < 10mOhm
Service life > 100 000 cycles
Max. switching capacity 250VAC, 10 (2) A
  120VAC, 15 (2) A
  DC 30W
Connection 4-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, EN60715
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)
Protection type IP20
Approvals UL File No. E164102

Art. No. Setting range Setting range Setting range Setting range
01172.0-00 contact breaker, normally closed 0 to +60°C contact maker, normally open 0 to +60°C
01172.0-01 contact breaker, normally closed +32 to +140°F contact maker, normally open +32 to +140°F
01175.0-00 contact breaker, normally closed -10 to +50°C contact maker, normally open +20 to +80°C
01175.0-01 contact breaker, normally closed +14 to +122°F contact maker, normally open +68 to +176 °F
01176.0-00* contact maker, normally open 0 to +60°C contact maker, normally open 0 to +60°C
01176.0-01* contact maker, normally open +32 to +140°F contact maker, normally open +32 to +140°F

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

Technical drawing

Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing
Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing
Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing
Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing Dual Thermostat ZR 011 Dawing
Dual Thermostat ZR 011

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