3E Security Electric Maintained Key Switch On Off – Square

The 3E Security electric key switch is a maintained key switch with on and off function, flush mounted. Please note the euro cylinder is not included.

From £53.99 (Inc. VAT)


Product Specification:

Please refer to the product information below if you are unsure of which product to choose; alternatively please call, email or live chat us!




The 3E Security 3E0661-1DP maintained electric key switch features:

  • 2 Position
  • Maintained contact (key pulls in both positions)
  • 2 x normally open, 2 x normally closed circuit
  • Laser etched legend
  • 2 keys supplied (additional keys available to order)
  • Keyed alike as standard (key differs available)


Contact Resistance (initial)           <<20mΩ
2kV for 1 minute (terminals to earth)
Life50,000 Operations (minimum)
4A @ 125 Vac (Resistive load), 10A @ 12 Vdc (Resistive load)
2 x Normally open & 2 x Normally closed
90° Key removable in both positions
MECHANICALNickel plated brass with key number
Fine silver/ Silver plated
Self-extinguishing glass filled nylon
Bright Nickel-plated alloy
5 Disc tumbler cylinder

Operating Temperature Range


-20°C to +85°C

MATERIALGrade 304 DP1 stainless steel (2mm)


Order the 3E Security electric key switch on off online at Electric Locking Systems with worldwide delivery, same day dispatch and free technical support.

Choose Options & Add to basket