SFDL Series Safety Door Lock Switches

Key Features

  • Detect opening/closing of doors in machines and keep the door locked during potentially dangerous operation
  • Head unit can be rotated to change insert direction of operation key
  • Various contact types: 4-contact to 6-contact
  • Connector type (easy installation) and terminal type (easy maintenance) available
  • Manual unlock function (release key) for emergency and testing
  • Minimized solenoid heat with stable current supply
  • High durability with metallic head
  • Various applications with slide key unit accessory
① Lock/Release Method
M Mechanical Lock / Solenoid Release
S Solenoid Lock / Mechanical Release
② Contact
no mark 4-contct (connected)
C 4-contact (not connected)
5 5-contact
6 6-contact
③ Contact composition
4-contact 5-contact 6-contact
Lock Door Lock Door Lock Door
A 1NC/1NO 1NC/1NO 1NC/1NO 2NC/1NO 2NC/1NO 2NC/1NO
B 2NC 1NC/1NO 2NC 2NC/1NO 3NC 2NC/1NO
C 1NC/1NO 2NC 1NC/1NO 3NC 2NC/1NO 3NC
D 2NC 2NC 2NC 3NC 3NC 3NC
④ Connection Type
no mark Terminal type
C Connector type
⑤ Connection Outlet Type
M20 M20 thread
G1/2 G1/2 thread
⑥ Release Key Type
no mark Cross type
K Special type
 
Accessories for SFDL Series  
  • Operation Keys
Part# Type
SFD-KH Straight
SFD-KHR Straight, Rubber
SFD-KL Right angle
SFD-KLR Right angle, Rubber
SFD-KLF Angle adjustable
SFD-KLF2 Angle adjustable, Metal
  • Connector Cables
Part# Length (L)
SFDL-CND10-1 1 m (3.3 ft)
SFDL-CND10-3 3 m (9.8 ft)
SFDL-CND10-5 5 m (16.4 ft)
   2023 © Amerimation Inc.Volume 4.0.1