SKD 25A  SKD 25A DII Double Straps
Double Straps
SKD 25A  SKD house connection box 25A, D II (gG)
SKD 25A  SKD 25A DII Double Straps
SKD 25A  SKD house connection box 25A, D II (gG)

Series: SKD 25A

SKD house connection box 25A, D II (gG)

Free Sample Request

2 Variants


  • Glass fiber Polyester
  • Difficult to burn
  • Impact resistant IK07 (2J)
  • Outside earth permanently mounted
  • For indoor and outdoor
  • For fixed installation

Unique Selling Proposition

  • Additional protection for terminal covers
  • Fuse element + neutral disconnector with double straps, input side (4-wire system), tested for aluminium cable


  • Mounting and connection convenience thanks two-piece housing
  • Bolt lock (4-kant with Slot)
  • Protection 2-piece snap, transparent and sealable
  • N-connector for TN-C to TN-S
  • N-connector separating Piece self-opening when loosening the screw
  • Earthing clamp for max 50mm² copper cable

The fresh design and the strikingly smaller installation depth of 2 cm immediately attract attention the first time you look at the house connection box. The new interior is protected by the cover with a square bolt lock with slot. The internal contact protection of the SKD house connection box is provided by snap-on, transparent and lockable inner covers, which can be removed without tools. Of course, the SKD house connection box is also well prepared for the future of the grid. The SKD is also equipped for 3-pole switching elements or 1-pole high-performance automatic switches. (3)

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The inlet and outlet covers can be easily sealed.

Cover panels

NH fuses Voltage testing of NH fuses with non-insulated handles possible through hinged window

Rated Current Ie

25 A  @  500 VAC

Rated voltage Ue

500 VAC

Rated isolation voltage Ui

1000 VAC

Rated Power Operating Frequency fe

50 Hz

Rated diversity factor RDF


Element with Double Straps

6  -  25 mm²

Neutral Disconnector with Double Straps

6   - 25 mm²

Rated Impulse Withstand Voltage Uimp

6 kV

Conditioned Rated Short Cicuit Current

50 kA  @  500 VAC

Rated short-time withstand current with fuse links

20 kA␠ @  500 VAC

Allowed Ambient Temperature

-25 °C to +40 °C acc. to IEC 61439

Protection by closed housing

IP54 acc. to IEC 60529

Pollution Degree

Earth Connection Bride

6  -  25 mm²

Earth Connection (outside)


Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in   Details about Approvals


The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: SKD 25A

Approval Logo Certificates Certification Body Description


The product complies with following Guide Lines

Identification Details Initiator Description
Approval marks CE Selbsteklaration SCHURTER AG The CE marking declares that the product complies with the applicable requirements laid down in the harmonisation of Community legislation on its affixing in accordance with EU Regulation 765/2008.
Environment_Safety REACH SCHURTER AG On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.


Dimensions [mm]

Assembly Instructions

1. two-part cover plates, snapped, transparent and sealable
2. NH fuse switch disconnectors
3. hinged window
4. internal covers
5. different connection variants- Prismabride- Cable lug M8- Double terminals
6. Square lock
7. marking strips
8. neutral conductor isolator for TN-S/TN-C
9. external ground connection permanently mounted
10. Earth bracket (optional)
11. expansion module with DIN rail (optional)
12. 63A- Fuse element with touch protection and various connection variants


TN-S (delivered condition)

L = Pole conductor
PE = Protective conductorPEN = PEN conductor
N = Neutral conductor
NE = Neutral earth conductor
TS = Separating screw
KA = Cable armor

L = Pole conductor
PE = Protective conductorPEN = PEN conductor
N = Neutral conductor
NE = Neutral earth conductor
TS = Separating screw
KA = Cable armor

All SKD house connection boxes from SCHURTER AG are equipped with the versatile neutral conductor isolator. The neutral conductor isolator is suitable for use in networks with earthing according to the TN-S and TN-C diagrams. The connection type can be changed by simply repositioning the separating screw.

Short Table of Variants SKD 25A Open complete table SKD 25A

Designation Equipped Terminal E-No. A=Most Popular

A=Most Popular

Most popular products have the following customer benefits:
- previously ordered by multiple customers
- generally in stock for immediate delivery
- early adoption or mature life cycle
Contact us for availability on other product variants, lead-times vary:
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Free Sample

Free Sample

Please ask for free sample in order to check if the products meets your requirement for your application. Send your delivery adress and your specific requirements.

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Distributor Stock Check

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The stock availability at the distributors may also be called up separately and the desired product manually entered.
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SKD 25A DII+0+E - Straps - ...
SKD 25A DW DII+0+E - Double Terminal - ...

Packaging unit 1 Pcs 

Accessories (9)

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Cover Plates 25/63A

Cover Plates for SKD 25A and 63A

Fuse element 25/63A

Fuse Element for SKD 25A and 63A

Terminal Cover

Terminal cover for SKD 25A, 63A and 160A

Covers SKD 25/60/160 A

Covers for SKD 25A, 63A and 160A

Cable Bride

Cable Bride for SKD 25A, 63A and 160A


Rubber for SKD 25A, 63A and 160A

Expansion Module

Expansion Module for SKD 25A, 63A and 160A

Earth Clip

Earth Clip for SKD 25A, 63A and 160A


N-Conductor for SKD 25A, 63A and 160A

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