Flameproof Half Coupler Type 66MK1A

Specifically designed for use on 500A circuits up to 6600 Volts.

ATEX Approved.

Requires resin filling to complete installation.


Manufactured in corrosion resistant gunmetal.
Voltage – Suitable for up to 6600 Volts.
Weight – 30kg unfilled (42kg filled).

To maintain flameproof certification it is important that the full cable specification and outside diameter are supplied at point of ordering.

  • Compact size and lightweight.
  • Able to operate at 6600 Volts.
  • Simple design.
  • Provision for 3 contact tubes (crimped) as standard. Optional up to 7 pilot/auxiliary.

Specifically designed for underground coal mining.
Fitting instructions available in Download tab.
Requires two resin kit GPC18-1 to complete installation.

The Type 66MK1A range of Half Couplers is suitable for unarmoured and pliable wired armoured cables (PWA) and are able to accommodate cable with the following limits: –

  • Voltage: – 6600 Volts.
  • Current: – 500 Amps.
  • Conductor CSA: – 185mm2 Max.
  • Diameter Range: – 95 mm Max.
  • Configuration: – 3 contact tubes with optional 6 pilot / auxiliary contacts.

Full cable specification is required at time of order to ensure correct part supplied.


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