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| MECHANICAL THERMOSTAT |
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FZK 021 |
| Features |
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| Adjustable temperature |
| High switching capacity |
| Small hysteresis |
| Terminals easily accessible |
| DIN rail mounted |
| Change-over contact |
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| The mechanical thermostat is used for controlling heating and cooling equipment, filter fans or signal. devices. |
| The thermostat registers the surrounding air and can switch both inductive and resistive loads via snap-action contact. |
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Technical Data |
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| Switch temperature difference： |
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7K(±4K tolerance) |
| Sensor element： |
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Thermostatic bimetal |
| Contact type： |
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Snap-action contact |
| Contact resistance： |
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<10mΩ |
| Service life： |
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>100,000 cycles |
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250VAC,10(4)A |
| Max. Switching capacity： |
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120VAC,15(4)A |
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DC30W |
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250VAC,5(2)A |
| Max. Switching capacity, NC |
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120VAC,5(2)A |
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DC 30W |
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| EMC： |
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Acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3 |
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| Connection： |
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4-pole terminal. damping torque 0.5Nm max.:rigid wire 2.5mm² stranded wire (with wire end ferrule) 1.5mm² |
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Mounting： |
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Clip for 35mm DIN rail, EN60715 or for exit filter EF 118 Series |
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| Casing： |
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Plastic according to UL94V-0, light grey |
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| Dimensions： |
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67 x 50 x 38mm |
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| Weight： |
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Approx.0.10kg |
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| Fitting position： |
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Variable |
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| Operating/Storage temperature： |
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-20 to+80℃(-4t₀+176°F) / -45to+80℃(-49 to+176°F) |
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| Protection type： |
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IP20 |
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Example of connection |
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| *Connecting terminal “N°(RF heating resistor) causes the thermal feedback to work and so reduces the switchtemperature difference to approx.0.5K. |
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| Art. No. |
Operating voltage |
Setting range |
| 01170.0-00 |
230VAC |
+5 to +60℃ |
| 01170.0-01 |
230VAC |
+40 t₀ +140°F |
| 01170.0-02 |
230VAC |
-20 to +30℃ |
| 01170.9-00 |
120VAC |
+40 t₀ +140°F |
| 01170.9-01 |
120VAC |
+5 to +60°F |
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