Hummel M40 Connectors - Power

Robust circular connector system with M40x1.5 screw locking mechanism and IP67 / IP69K ingress protection for use in harsh environments.

M40 Power connectors are available in 6 and 8 way variants with a current carrying capacity of up to 55A.

The series caters for cable OD’s of up to 28mm and a wire gauge max. of 16mm².


  • IP67
  • IP69K
Full Description

Hummel M40 Power series is a range of robust waterproof circular connectors for use in tough environments.

The M40 system is sealed to IP67 and IP69K in mated condition thus provides a ruggedized sealed connection at all times.

6 & 8 way variants offer a current carrying capacity of up to 55A and allow for cable OD’s of up to 28mm and wire gauges of 16mm².

Cable shells are available with both male and female thread for an in-line connection or can be mated with the panel receptacle which is available in standard or angled square flange and jam-nut style.

Connectors shells arrive with the relevant insert as selected with crimp pins chosen separately depending on the desired wire gauge.

For a more detailed description of this connector series please see the manufacturers brochure which is available to download above.

For a personalised quotation on any of the part numbers seen in this range please complete the 'Quick Quote' form or simply call us on 01744 815001.

Features & Specification
  • No. of Contacts 6 & 8
  • Locking Mechanism Screw
  • Termination Crimp
  • Wire Gauge Max. 16mm²
  • Cable Diameter Range 13-28mm
  • Max. Voltage 300-600V
  • Max. Current 28-55A
  • Ingress Protection IP67, IP69K

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