Specifications

Safety-door Switch D4NS A-15
D4NS
Safety Door Switches
Production Discontinuation
Following the release of the D4NS, production of the D4DS will be discontinued.
Date of Production Discontinuation
Production of the D4DS Series will be discontinued as of the end of
March 2006.
Date of Substitute Product Release
Sale of the D4NS Series commenced in July 2003.
Product Replacement
1. Dimensions
The D4DS and D4NS have basically the same structure, and use
the same mounting method, Operation Keys, mounting hole and
Operation Key insertion positions. The multi-contact structure and
the extra 4 mm in length, however, are different.
2. Terminal Numbers
For the 2-contact model, the terminals 21, 22, 23, and 24 on the
D4DS are 31, 32, 33, and 34 on the D4NS.
3. Recommended Terminals
If the recommended terminals are not used, the Switch may not
be compatible. Make sure that the Switch is compatible with the
terminals.
Comparison of the D4DS and
Substitute Products
List of Recommended Substitute
Products
Switch
Operation Key
• D4DS-K1
• D4DS-K2
• D4DS-K3
• D4DS-K5
All of the above Operation Keys can be used with the D4NS.
Model D4NS-@
Switch color Very similar
Dimensions Very similar
Wiring/connection Significantly different
Mounting method Completely compatible
Ratings/performance Very similar
Operating characteristics Very similar
Operating method Completely compatible
D4DS product Recommended substitute product
D4DS-15FS D4NS-1AF
D4DS-25FS D4NS-2AF
D4DS-35FS D4NS-3AF
D4DS-55FS D4NS-5AF
D4DS-65FS D4NS-6AF
D4DS-1AFS D4NS-1BF
D4DS-2AFS D4NS-2BF
D4DS-3AFS D4NS-3BF
D4DS-5AFS D4NS-5BF
D4DS-6AFS D4NS-6BF