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Envirostat FP6E 6kW

The Envirostat FP6E 6kW provides protection for stock and equipment susceptible to low-temperature damage.


• Protection for stock and equipment susceptible to low-temperature damage
• Accurate thermistor sensor with 2m lead
• Soft start function (gradual switch-on)
• Temperature setpoint range -10°C to +10°C
• Solid state reliability
• Maintenance free
• IP65 Ingress protection
• Current capacity 20A max

The Envirostat FP6E controller provides energy-efficient protection against damage caused by low temperatures, frost and damp. It can either be used on its own or in parallel with the CC3 6kW controller to provide a combination of automatic 24 hour frost protection and comfort warmth when an area is in use. The FP6E features a soft-start circuit that prolongs the operating life of the heaters and prevents any risk of nuisance tripping at the MCB caused by inrush current. It will bring the heaters on only when it is essential to raise the temperature for frost-protection duties. In addition to working with quartz halogen infrared heating, the FP6E works with trace heating installed to protect pipework. Supplied with a thermistor temperature sensor on a 2m long lead. The control set point is adjustable from -10°C to +10°C.

* also compatible with Infreso P,S & T 6kW controllers.

Connect the mains supply and load to the controller using appropriately sized round section cable. Position the sensor to measure the air temperature where required, or use cable ties to fix the sensor to a pipe etc. Set the set-point temperature dial.

Alternative Options available (POA):
• Temperature range 0°C to 20°C
• Reverse logic output for turning plant off at low temperatures
• Version with LED alarms for critical applications

Electrical supply

230Vac ± 10% 50 Hz

Switching capacity

6kW max

Load current

25A max

Temperature range

-10°C to 10°C

Temperature accuracy


Quiescent power consumption


Soft start duration

1 second

Supply terminal connections

0.2 to 6mm² rising clamp

Cable entry glands

10.5 and 8mm Ø (Note: cable MUST be round to ensure IP rating)

Ingress Protection


Built-in sensor

Encapsulated 10kW NTC thermistor probe, 2m long

Sensor monitoring

Open or short circuit – unit shuts down

Sensor mounting

To secure to pipe etc., use appropriately sized nylon cable ties

Sensor terminal connections

0.1 to 1.5mm² Rising clamp

Enclosure dimensions

95 x 55 x 130 mm (wdh)


Standard F-type quick-blow fuse or circuit breaker (MCB ‘type ‘B’- rated at 30A Max.) recommended for ‘in line’ protection.

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