BTKTO 011/ BTKTS011 Small Compact Thermostat
1.Small Compact Thermostat Key Features
Large setting range
Small size
Simple to mount
High switching performance
2.Thermostat Instructions
KTO 011:Thermostat( normally closed),contact breaker for regulating heaters.
KTS 011:Thermostat (normally open),contact maker for regulating of filter fans and heat exchangers or for switching signal devised when temperature limit has been exceeded.
KTO 011:Thermostat( normally closed),contact breaker for regulating heaters.
KTS 011:Thermostat (normally open),contact maker for regulating of filter fans and heat exchangers or for switching signal devised when temperature limit has been exceeded.
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3.Thermostat Technical Data
Switch temperature difference | 7K( ±4K tolerance) |
Sensor element | Thermostatic bimetal |
Contact type | Snap-action contact |
Contact resistance | <10mΩ |
Service life | >100,000 cycles |
Max.Switching capacity | 250 VAC,10(2)A 120 VAC,15(2)A DC 30W |
EMC | acc.to EN 55014-1-2, EN 61000-3-2, EN61000-3-3 |
Connection | 2-pole terminal,clamping torque 0.5Nm max.: rigid wire 2.5mm² stranded wire(with wire and ferrule)1.5mm² |
Mounting | 35mm DIN Clip for 35mm DIN rail,EN60715 or for exit filter EF118 series |
Casing | Plastic according to UL94 V-0,light grey. |
Dimension | 60 X 33 X 43mm |
Weight | Approx.40g |
Fitting position | Variable |
Operating/storage temperature | -20 to 80°C (-4 to +176 °F) |
Protection type | IP20 |

Dimensions
4.Thermostat Order Information
Setting range | Art. No. Contact Breaker(NC) | Art. No. Contact Maker(NO) | Approvals |
0 to + 60 ° C | 01140.0-00 | 01141.0-00 | CE, UL |
-10 to + 50 ° C | 01142.0-00 | 01143.0-00 | CE, UL |
+20 to + 80 ° C | 01159.0-00 | 01158.0-00 | CE, UL |
+32 to + 140 ° C | 01140.9-00 | 01141.9-00 | CE, UL |
+14 to +122°F | 01142.9-00 | 01143.9-00 | CE, UL |
0 to + 60 ° C | 01146.9-00 | 01147.9-00 | CE, UL |
5.Thermostat Connection

BTKTO 011/ BTKTS011 Small Compact Thermostat