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Product Code: E812
The E812 is a high quality vandal-resistant 2-stage tamperproof thermostat designed to accurately control fan convectors in schools and public or commercial buildings to within 0.5°C.
The E812 has two stages of control. Below a pre-selected temperature the thermostat will control the high-speed fan to bring the room quickly up to temperature. Once the unit has achieved this level it switches to the low-speed fan for normal daytime use, regulating the room temperature up to the pre-selected temperature setpoint.
Once the room temperature eventually reaches the chosen temperature setpoint the fan is turned off. This makes for quieter operation during normal daytime occupancy periods with the added benefit of rapidly bringing the room up to temperature when the heating is initially switched on.
Robust Range Variants:
Remote Sensor (/RS)
Remotely located temperature sensor.
*For a full description please see relevant variation below.
Download product datasheet (1888Kb)
£90.00 (ex. VAT)
Product Code: E812/RS
The E812/RS is a high quality vandal-resistant and tamperproof 2-stage thermostat designed to accurately control fan convectors in schools, public or commercial buildings to within 0.5°C. read more
| Power supply | 85V – 265V AC, 50 – 60Hz (live/neutral/earth) |
| Output switch rating | 10A, 250V AC (resistive) |
| Output switch type | On/Off: Single relay (volt-free) |
| Temperature control | +12°C to +26°C |
| Temperature differential | 0.25°C to 4°C |
| 2nd stage temperature adjustment | 2°C to 10°C (below the Setpoint) |
| 2nd stage differential | 1°C (factory pre-set) |
| Sensor accuracy | ±0.2°C |
| Sensor drift | ±0.15°C over 5 years |
| Guarantee | 5 Years |
| Weight | 0.34Kg |
| Dimensions | 120mm x 95mm x 35mm |
Product Code: MSD-150
A thermistor potted in a plastic enclosure and coated with a black rubberised finish, supplied with 80mm flying leads. Can be installed into a 12.5mm hole using the supplied nut or into an existing PG7 thread. This is the standard temperature sensor used in the entire Robust Range of Thermostats. read more
Product Code: MSD-152
Tamperproof screwdriver for MSD-153 tamperproof screws. Required to gain access into the entire Robust Range of Tamperproof thermostats and humidistats. read more
Product Code: MSD-224
An MSD-150 temperature sensor installed in a white plastic box and connected to a terminal block. Pre-drilled mounting holes allow easy installation anywhere internally within a building. read more
Product Code: MSD-370
An MSD-150 temperature sensor installed in a white single-gang British Standard faceplate and connected to a terminal block for convenient remote temperature measurement of a room. Supplied with 2 x 25mm M3.5 fixings. A surface-mounted pattress box is available separately as an accessory. read more
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