Search our website

5-Disc In-line Key Switch 3738

A 5-disc, shuttered, in-line key switch 3738 available with a stainless steel cap and passivated body. Once connected to a C.K. low voltage switch, the 3738 forms part of a circuit that is controlled by the key. This key switch is also equipped with a shutter which makes it ideal for use in Enclosure applications such as switchgears and fire alarm systems.

View Lock Details
Featured Technicals
Lock Options
Product Code Combinations Body Length Head Width Head Depth Circuit Key Free Total Movement Inquire
3738-01-4A 200 33.3 23.2 5 1 Pole OFF/ON 1 90° Contact Sales
3738-05-4A 200 33.3 23.2 5 1 Pole OFF/ON 1, 4 90° Contact Sales
Standard Features
  • Standard movements: Key free 1, 4
  • Lock Combinations: 200
  • Standard finish: Stainless steel cap, passivated body
  • Mounting hole shape: Double D
  • M Keyed system supplied to order only
  • Switch Type Available: C.K. (Low Voltage) Switch

Electrical Specification

  • Proof voltage: 1K V
  • Current carrying capacity (non-shorting): 2 A
  • Contact resistance (switch resistive load): 2 A 24 V
  • Insulation resistance: >250G ohm
  • Initial contact resistance: < 100m Ohm
  • Minimum operating life: 10,000 cycles
  • Contact material: silver plated brass
  • Body material: Acetal
  • Operating temperature: -20 to 65°C

Additional Information

5-Disc In-line Key Switch 3738 technical drawing
Product Code Total Movement Key Free Switch Configuration
3738-01-4A 90° 1 1 Pole Off/On
3738-05-4A 90° 1, 4 1 Pole Off/On