Backer is constantly working on new solutions for electrical heating, both in close cooperation with our customers but also internal to present new standardized heating solutions.
For delivery during fall 2010
Electronic terminal box K31E

Immersion heater and terminal box with electronical setting of desired temprerature and hysteres with an exact control via NTC. The display of the box show current temperature and with a flashing lamp, operating status of the elements are shown.
The terminal box offers a possibility for external control via e.g. a thermostat placed in the surroundings or via a central control unit. There is also a possibility to add specific operating alternatives and delayed power on/off. The box is also equipped with an integrated frost guard, which can be activated at need.
On request, the immersion heater can also be manufactured with galvanic insulated elements.
>> Technical specification
| Article number |
Terminal box: 1150704601 |
| Dimension |
90x90x123 mm |
| Power/voltage |
230V 1~ alt. 400V 3~ can handle 11300W 3~ and 7360W 1~ |
| Connection |
1 ½’’, 2’’, 1 ½'' galvanic insulated, 1 1/4 ’’ |
| Safety class |
IP44 |
| Standard |
Electrical heat protection and thermal fuse |
| Surrounding temp. |
Max 55°C |
>> Operating alternatives for the terminal box
| 1 |
30 |
80 |
10 |
110 |
|
| 2 |
30 |
75 |
10 |
110 |
X |
| 3 |
30 |
75 |
10 |
90 |
|
| 4 |
30 |
90 |
10 |
110 |
|
| 5 |
10 |
50 |
10 |
90 |
|
| 6 |
|
|
|
|
|
| 7 |
|
|
|
|
|
| 8 |
|
|
|
|
|
| 9 |
|
|
|
|
|
| 0 |
|
|
5 |
|
X |
>> Ex. Applications
- Heating of fluids
- Electrical water boilers
- Accumulator tanks
- Under floor heating
- Process industry
Download info about imm. heater with control
Download info about terminal box K31E
___________________________________________________________________
New product in July 2010:
Cabinet Heater / Anti-condensation heater ACHF 1
A compact cabinet heater from Backer, for climate control and prevention of condensation and freezing, indoors or outdoors, in for example control cabinets.
The product is developed with the PTC technology as base, which eliminates the need for thermal cut-off. The dimensions of the heater are small, still allowing high power, to make the cabinet heater useful in a wide range of product applications.
>> Technical specification
| Art.no |
200W: 2550645901 120W: 2550645902 80W: 2550645903 |
| Material |
Anodized aluminium |
| Dimension |
200W: 123x41x41 mm 120W: 102.5x41x41 mm 80W: 78.5x41x41 mm |
| Voltage |
Heating part 230VAC Fan 24DVC |
| Mounting |
DIN clip |
| IP Classification |
IP20 |
| Safety |
The elements meet requirements acc. to EN 60335-1 CE-märkt |
>> Ex. applications
- Fuel-/petrol pumps
- Offshore/ships
- Space industry
- Temperature control of battery backup
- IT/Telecom
- Engines/drives
- Disaplays
|
- Control cabinets
- Process industry
- Airports
- Power industry
- Surveillance cameras
- Equipment in arctic environment
- Laboratories/development
|
Download as pdf document
New product in February 2010
Terminal box K31A
Terminal box in plastic with 3-pole combi-thermostat, for use togehter with Backer’s 1¼’’-2’’ element heads. The box can be rotated to obtain suitable location of the cable inlet. Together with our pressed element head 1,5’’ the product is protection classed IP65.
>> Technical specification
| Article number |
1150666001 |
| Dimension |
90x90x115mm |
| Safety class |
IP65 (with pressed 1,5’’ element head) |
| Combi thermostat |
Thermostat 25-85 °C Thermal cut-off 110° C |
| Material |
Plastic ABS-V0 |
| Surrounding temp. |
Max 75°C |
>> Benefits
- Compact measurements of the box thanks to combi-thermostat
- Thermal cut-off restettable from outside the box
- Easy access to the cable inlet
New products November 2009
Submersible oil heater

The working temperature is regulated via an integrated thermostat/fuse.
For thermostat 70-150°C. For fuse 128°C, 152°C (the temperature of the components is validated on the basis of the desired operating conditions).
>> Teknisk specifikation
| Material |
Stainless steel EN 1.4301/SS 2333 |
| Dimension |
L:225 W:74 mm, Ø 51 mm |
| Connection |
Electrical connection 3x1.0 mm², 4 meter cabel |
| Temperature |
40°C or acc. to customer spec. |
| Power |
250 W or acc. to customer spec. |
| Voltage |
230 V or acc. to customer spec. |
| Hysteres |
11°C or acc. to customer spec. |
| Weight |
1,4 kg |
| Assembly |
No fixing device needed, fixed with integrated magnets in the bottom of the container. |
| Surface load |
0,9W/cm² |
| Safety |
CE marked acc. to LVD. 2006/95/CE |
|
Others |
Heater complete with thermostat. Should be at least 3 cm below surfice during use. Not to be used with fluids that have a flame temperature below 190°C |
>> Benefits
- Integrated temperature regulation
- High voltage tolerance