The type of the drive lever: one way action roller rocker type (horizontal action).
Conduit size: single catheter type, M20.
Built in switch structure: slow motion (1NC/1NO).
Safety limit switch in accordance with global standard EN 50047.
The contact constitutes a complete variety, there is a single point of specification (1NC) and double contact specifications (1NC/1NO, 2NC) D4NL-1EFA-B4 PDF datasheet D4NL-1EFA-B4
Forced open action structure.
The slow moving contact structure is adopted to ensure that the contact distance is 4mm.
Elevator and escalator can be used. Head material: Plastic*1.
Release key position: Bottom.
Release key type: Special release key(resin).
Solenoid voltage/indicator: Solenoid: 24 VDC, Orange LED: 10 to 115 VAC/VDC D4NL-1EFA-B4 PDF datasheet.
Lock and release types: Mechanical lock Solenoid release.
Contact configuration(door open/closed detection switch and,
lockmonitor switch contacts)(slow-action) Certified direct,
opening NC contact: 1NC/1NO+2NC.
Conduit opening: G1/2.
Best-selling Guard Lock Safety-door.
Switch Available in Several.
Compact, Multi-contact Models.
Selectable Operation Key insertion direction and,
adjustable mounting ensure installation flexibility D4NL-1EFA-B4 PDF datasheet.
Built-in switches with multiple-contact construction are available.
Key holding force of 1,300 N minimum.
Can be used for either standard loads or microloads.
Lineup includes models with a conduit size of M20.
IP67 degree of protection.
Variety of Metallic Heads Available. A reliable basic switch with an external lever
Can use 0.1A, 6A, 11A, 16A and 21A models,
All models have a self - cleaning connection.
Custom leverage can be used externally or internally,
And 2 fixed positions of the external lever.
Consistent with EN61058-1 and UL1054.
Model composition:
D3V- - - - - - - - - - - - -
The 4 5 6 7 8 9
Rated value
AC250V 21: 20 (4) A
AC250V 16: 16 (3) A
AC250V 11: 11 (3) A
AC250V 6: 6 (2) A
AC125V 0.1A 01:
Contact interval
No mark: 1mm (Gap F)
G:0.5mm (Gap G)
Driving rod
No mark: needle button type
1: short swing rod type
2: swing lever type
3: long swing rod type
R 4: type swing lever type
5: ball short swing rod type
6: ball type
The installation position of the sensors
No mark: internal installation, the button switch is far from the reference position
M: external installation, the button switch is far from the reference position
K: external installation, the button switch is close to the reference position.
Contact the specifications
SP DT 1:
SP ST-NC 2:
SP ST-NO 3:
The terminal specification
A: welding termminal
#187 C2: type terminal
#250 C: type terminal
The maximum operating force (OF)
5: 1 D4NL-1EFA-B4 datasheet PDF catalog. 96 N
4A: 1.23 N
4: 0.98 N
3: 0.49 N
2: 0.25 N
Note that the numerical value is a needle like button type.
We take tthe size of mounting hole
No mark: 3 D4NL-1EFA-B4 datasheet PDF catalog. 1mm
2.9mm K:
9 special code
No mark: Standard
H: high temperature (125 degrees C)
E: special rating: 21 (8) A