Terminal boxes

Backer keeps in stock a wide range of terminal boxes to be used with stock-kept immersion heaters and customer designed constructions.

The terminal boxes are designed for mounting onto immersion heaters with R 1 ¼" - R2" screw-plugs. The terminal boxes can be turned in any suitable position with respect to the cable inlet.

The covers are made of carbonate plastic or die-cast aluminium.

The terminal boxes are designed to meet the requirements for protection class IP55 or better.

The terminal boxes are available in many different models and can be equipped to meet most requirements regarding thermostat and thermal cut-off.

The product range, also include a terminal box in carbonate plastic to be used with our standard defrosting elements. This terminal box meet the requirements for protection class IP65.

Fields of application:

Industrial baths Immersion heater with terminal box Domestic water heater

 

 

Terminal boxes - technical info:

Material

Silium
Polycarbonate

Dimension

Se product informaion below

Assembly

For mounting to our standard immersion heaters with R32/40 and R50 thread, the boxes are assembled with enclosed screws.

Design Without thermostat and thermal cut-off
With thermostat 1-, 2-, or 3-pole
With thermal cut-off 1- or 3-pole
With thermostat and thermal cut-off
Protection class

 IP54, IP65


Examples of products

 

Termial box KT

Design in plastic.
For separate mounting of thermostat TSDH/TSDO. 

Drawing

Type:

Article no:

KT-box 1140839001
Protection pipe L=140     

1160052501

Protection pipe L=280  

1160052502

 

Terminal box K1

Silium, for assembly on our G 1 1/4'' alt. 1 1/2'' element head. Rotating box for easy connection of the cables. Protection class IP54.

Drawing

Type: Article no:
K1 1130 397 201
 

 

Termial boxes K7 and K7T

Silium with lid from polycarbonate. For assembly on G 1 1/4''-2'' element head. Rotating box for easy connection of the cables. Protection class IP54. 

Drawing

Type: Article no:
K7 1130 541 001
K7T

1130 541 101

 
 
Terminal boxes K8 and K8T

Silium with lid from polycarbonate, for mounting on G 2'' element head. Rotating box for easy connection of the cables. Protection class IP54. 


Måttskiss

Type: Article no:
K8 1125 001 003
K8T 

1125 001 002

 
 
Terminal boxes K11A, K12A, K12A

Silium with lid from polycarbonate, for mounting on our G 2'' element head. Rotating box for easy connection of the cables. Protection class IP54.  Incl. terminal block.  

Drawing

Type: 1-pole thermost.
30-90°
2-pole thermost.
30-90°C
3-pole
Thermal
cutoff  
110°C       
Article no:
K11A

X

X

1120332701
K12A    

X

X

1120332801

K13A

X

1120332901


 
Terminal box K15

Silium with lid from polycarbonate, for mounting on our G 2'' element head. Rotating box for easy connection of the cables. Incl. terminal block. Protection class IP54. 

Drawing

Type: 2-pole thermost
0-50°C
3-pole
Thermal cuoff
65°C
Article no:
K15

X

X

1120391801
 
 
Terminal box K16

In silium, for mounting on our G 1 1/4''-2'' element head. Rotating box for easy connection of the cables. Incl. terminal block. Protection class IP54. 

Drawing

Type: For element
head
Article no:
KT-box G 2'' 1120 548 202
 
 
Terminal box K17

In silium, for mounting on our G 2'' element head. Rotating box for easy connection of the cables. Incl. terminal block. Protection class IP65

Drawing
Steering basket

Type: Article no:
K17 1120 548 301

 
Terminal box K18

In silium, for mounting on our G 2'' element head. Rotating box for easy connection of the cables. Incl. terminal block. Protection class IP65. 

 

Drawing
Steering basket

Type: Article no:
K18 1120 548 502

 

Kopplingsbox K31
NEW!!!
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.

Type: Article no:
K31A 1150 666 001

 

Kopplingsbox K31E

NEW!! - launched summer 2010
Electronical terminal box K31E

Terminal box with electronic setting of desired  temperature. Possibility for external control via e.g. a central control unit.

Open datasheet (pdf)

Type Article no:
K31E 1150 704 601
 

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Steering basket

Steering basket for terminal boxes K17 and K18


For all:
Thermal cut-off: 3-pole, 110°C, Breaking capacity: A/V: 20/400

Type Use Thermostat Breaking cap:
A/V
Art.no.
S17A K17 2-pole 30-90°C 16/400 1130685401
S17D K17  -  - 1130 710 201
S17B K17 2-pole 0-50°C 16/400 1130 685 402
S17C K17 4-pole 30-90°C 16/400 1130 685 801
S18A K18 4-pole 30-90°C 16/400 1120 550 701

 

 

 

 

Image: Terminal boxes