Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
NVENT HOFFMAN EFR202 Thermostat NC Fixed
nVent HOFFMAN EFR202 fixed temperature NC thermostat designed for automatic control of enclosure heaters in industrial electrical panels.
£17.33
Why Choose the nVent HOFFMAN EFR202 Thermostat NC Fixed?
The nVent HOFFMAN EFR202 is a fixed temperature normally closed (NC) thermostat designed to provide reliable thermal management inside electrical enclosures and control panels. As part of the HOFFMAN EFR thermostat series, it is engineered to automatically control heating devices such as panel heaters by switching them on or off according to the preset temperature threshold.
This compact thermostat uses a thermostatic bimetal sensor element and a fixed temperature setting to maintain consistent enclosure conditions. The preset design prevents unauthorised adjustment while helping reduce operational costs by ensuring connected climate control devices operate only when required.
With a normally closed contact configuration, the EFR202 is suitable for regulating enclosure heaters and protecting sensitive electrical components from low-temperature conditions. Its DIN rail mounting clip allows straightforward installation inside industrial control cabinets and electrical panels.
Key Advantages
- Compact fixed temperature thermostat for electrical enclosures.
- Normally closed (NC) contact designed for heater control applications.
- Preset temperature setting helps prevent unauthorised adjustment.
- Automatic control of fan heaters and enclosure heating devices.
- 35 mm DIN rail mounting for simple panel installation.
- Robust design suitable for industrial control environments.
Key Features
- nVent HOFFMAN EFR thermostat series.
- Normally closed contact (NC) for heating control.
- Fixed temperature set point: 5 °C.
- Switch-on temperature: +5 °C.
- Switch-off temperature: +15 °C.
- Thermostatic bimetal sensor element.
- 35 mm DIN rail mounting clip according to EN 60715.
- Plastic housing according to UL94 V-0.
- IP20 protection rating for enclosure installation.
Reliable Thermal Control for Electrical Enclosures
The nVent HOFFMAN EFR202 thermostat provides automatic temperature regulation by controlling connected heating equipment inside electrical cabinets. By maintaining suitable enclosure temperatures, it helps protect electronic components from condensation and cold-related failures.
Designed for industrial automation environments, the EFR series combines compact construction, reliable switching performance and simple DIN rail installation to support effective enclosure climate management.
Typical Applications
- Electrical control cabinets and automation panels.
- Industrial enclosure heating systems.
- Control panels requiring condensation prevention.
- Machine building and OEM electrical systems.
- Switchgear and power distribution enclosures.
- Industrial climate control applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Contacts | 1NC | |
|---|---|---|
| Device Type | Thermostat | |
| Accessory Type | Climate Accessories | |
| Country of Manufacture | Germany | |
| Manufacturer | nVent HOFFMAN | |
| Series | EFR Fixed Thermostat | |
| Model | EFR202 | |
| Product type | Fixed temperature NC thermostat | |
| Contact type | Normally closed (NC) | |
| Application | Enclosure heater regulation | |
| Fixed temperature set point | 5 °C | |
| Switch capacity | 250 V AC, 5 A; 120 V AC, 10 A; 24 V DC, 30 W | |
| Maximum starting current | 16 A AC for 10 seconds | |
| Operating temperature | -40 °C to +80 °C | |
| Service life | >100,000 cycles | |
| Connection | 2-pole terminal for 2.5 mm² cable | |
| Protection rating | IP20 | |
| Finish | Light grey (RAL 7035) | |
| Dimensions (H × W × D) | 47 × 33 × 33 mm | |
| Weight | 0.05 kg | |
| Approvals | CE, EAC, cRUus_UL Listed |
Frequently Asked Questions
What is the nVent HOFFMAN EFR202 used for?
The EFR202 is a fixed temperature normally closed thermostat used to control enclosure heaters and maintain suitable temperatures inside electrical panels.
What type of contact does the EFR202 thermostat have?
The EFR202 features a normally closed (NC) contact designed for heating regulation applications.
What is the fixed temperature setting of this thermostat?
The EFR202 has a preset fixed temperature set point of 5 °C.
How is the EFR202 installed?
The thermostat is designed for mounting on a standard 35 mm DIN rail using its integrated mounting clip.
What protection rating does the thermostat provide?
The EFR202 provides an IP20 protection rating for installation inside electrical enclosures.
Trusted by Industrial Panel Builders Worldwide
nVent HOFFMAN EFR thermostats are widely used by electrical engineers and enclosure manufacturers to provide dependable temperature control and protect sensitive industrial equipment.
