Product Description
NC / NO or NO / NO in one unit
Separate adjustable temperatures
Color coded temperature dials
DIN rail mountable
The ZR 011 houses two separate thermostats, allowing the independent control of heating and
cooling or other equipment.
Thermostat NC (normally closed):
Thermostat opens at temperature rise - for regulating heaters or for switching signal devices.
Comes with red temperature dial.
Thermostat NO (normally open):
Thermostat closes at temperature rise - for regulating filter fans and heat exchangers or for
switching signal devices. Comes with blue temperature dial.
Technic data
| 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 | |
| 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) |
| Operating / Storage humidity | max. 90 % RH (non-condensing) |
| 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. |
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