KRM Capillary Tube Thermostat 16 A
Ex Proof Heat Tracing Equipment - KRM Capillary Tube Thermostat 16 A
The weather-proof capillary tube thermostat, KRM, is a mechanical change-over controller housed in a polyester enclosure.
KRM Capillary Tube Thermostat 16 A
- 16 A switching capacity
- Compact enclosure
- Double units are standard
The weather-proof capillary tube thermostat, KRM, is a mechanical change-over controller housed in a polyester enclosure. Heaters, fans, motors and other equipment are energised and de-energised when temperatures fall below or rise above certain limits. It can also be used to control the temperature in air, liquids and on various surfaces.
FUNCTION
Any change in temperature at the sensor causes a change in the volume of fluid in the measuring system, which in turn results in a movement of the diaphragm membrane. This membrane is connected to a mechanical device that activates a microswitch. If the temperature at the sensor bulb exceeds the pre-set value, terminals 1 and 2 are opened. If the temperature falls below the minimum setting, the contacts automatically close
APPLICATION EXAMPLE
The KRM thermostat can directly switch temperature-dependent equipment loads (heaters etc.) of up to 16 A. Higher switching currents of 3-phase applications are switched by means of a contactor
KRM Capillary Tube Thermostat 16 A
| TECHNICAL DATA | ||
| Temperature setting range | 0 °C to +100 °C | 0 °C to +300 °C |
| Rated voltage | AC 400 V/50 Hz | AC 400 V/50 Hz |
| Switching capacity |
AC 230 V/16 A AC 400 V/10 A |
AC 230 V/16 A AC 400 V/10 A |
| Supply cable, cross section | 2.5 mm² | 2.5 mm² |
| Protective earth terminal | 4 x 2.5 mm² | 4 x 2.5 mm² |
| Switching differential | approx. 3 K | approx. 8 K |
| Protection class according to EN 60529 | IP 65 | IP 65 |
| Capillary tube length | 1600 mm | 1600 mm |
| Min. bend radius | 20 mm | 20 mm |
| Max. sensor temperature | +115 °C | +345 °C |
| Min. sensor temperature | -40 °C | -15 °C |
| Sensor diameter | 6 mm | 4 mm |
| Sensor length | 140 mm | 165 mm |
| Sensor material | SS | SS |
| Cable glands |
1 x M25, clamping range 9 to 16 mm 1 x M20, clamping range 6 to 12 mm |
|
| Cable glands KRM, single | 1 x M25, 1 x M20 | 1 x M25, 1 x M20 |
| KRM combination | 1 x M25, 2 x M20 (2 x M20 blanking plug included) | 1 x M25, 2 x M20 (2 x M20 blanking plug included) |
KRM Capillary Tube Thermostat 16 A
- 16 A switching capacity
- Compact enclosure
- Double units are standard
The weather-proof capillary tube thermostat, KRM, is a mechanical change-over controller housed in a polyester enclosure. Heaters, fans, motors and other equipment are energised and de-energised when temperatures fall below or rise above certain limits. It can also be used to control the temperature in air, liquids and on various surfaces.
FUNCTION
Any change in temperature at the sensor causes a change in the volume of fluid in the measuring system, which in turn results in a movement of the diaphragm membrane. This membrane is connected to a mechanical device that activates a microswitch. If the temperature at the sensor bulb exceeds the pre-set value, terminals 1 and 2 are opened. If the temperature falls below the minimum setting, the contacts automatically close
APPLICATION EXAMPLE
The KRM thermostat can directly switch temperature-dependent equipment loads (heaters etc.) of up to 16 A. Higher switching currents of 3-phase applications are switched by means of a contactor
