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Niglon Enclosed DC Switch Disconnector - ISDC164


The Niglon Enclosed DC Switch Disconnector ISDC164 is a 16 A, 4‐pole rotary switch disconnector designed for DC applications up to 1,500 V. Housed in a rugged polycarbonate enclosure with IP66/67 rating, it includes M12 knock­outs for MC4 connector compatibility and a padlock facility for secure isolation.

16 A, 4-pole rating with high insulation voltage (1,500 V DC) for demanding solar or DC systems IP66/67 rated enclosure for reliable performance in outdoor or harsh environments Compact form-factor: 160 mm H × 83 mm W × 86 mm D (116 mm with handle) Built‐in padlock facility and MC4-compatible M12 knock-outs for enhanced installation flexibility Manufactured by Niglon, trusted for quality and compliance with EN 60947-3 standard
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SKU: ISDC164-16A
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Product Details

The Niglon ISDC164-16A is a professional-grade enclosed DC switch disconnector tailored for solar and other DC-powered systems.

Key specifications:

  • Rated current: 16 A (DC-21B)
  • Insulation voltage: 1,500 V DC
  • Number of poles: 4
  • Dimensions: height 160 mm, width 83 mm, depth 86 mm; with handle, depth extends to 116 mm.
  • Terminal capacity: cables 4 mm² (flex) / 6 mm² (stranded)
  • Enclosure rating: IP66 / IP67 - ideal for outdoor and demanding installations.
  • Durable polycarbonate casing, M12 knock-outs for MC4 connector compatibility, padlock provision in OFF position for safety and maintenance.

This switch disconnector meets the standard EN 60947-3 and has been certified for reliable performance in demanding DC switching environments.


Whether for a photovoltaic array, battery storage system or other DC setup, the ISDC164 offers secure isolation, robust build quality and suitability for outdoor or exposed mounting.

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £150.
  • £5.99 for orders under £150.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

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