■ Model Number Legend
Basic Models
Z -
-
1 2 3 4
5
4. Degree of Protection
None: General-purpose
3. Actuator
None: Pin plunger
1. Ratings
01: 0.1 A (micro load)
15: 15 A
W44:
W78:
Long hinge lever
Low-force wire
hinge lever (low OF)
Low-force wire
hinge lever (high OF)
Short hinge roller lever
Hinge roller lever
Hinge roller lever
(large roller)
55:
A55: Drip-proof
(including terminals)
Drip-proof
S:
D:
K:
Slim spring plunger
Short spring plunger
Spring plunger (medium OP)
2. Contact Gap
H2: 0.20 mm
(extra-high sensitivity)
H: 0.25 mm
(high-sensitivity,
micro load)
G: 0.5 mm
W52:
K3: Spring plunger (high OP)
Q3: Panel mount plunger (low OP)
W22:
W2:
W25:
Q:
Panel mount plunger
(medium OP)
5. Terminals
None: Solder terminal
Q8: Panel mount plunger (high OP)
Q22: Panel mount roller plunger
Q21: Panel mount cross roller plunger
W49:
W54:
Short hinge
cross roller lever
Hinge cross roller lever
B:
Screw terminal
E: 1.8 mm (high-capacity)
(with toothed washer)
B5V: Screw terminal with
terminal cover
L:
L2:
Leaf spring (high OF)
Roller leaf spring
W2277: Unidirectional short hinge
W21: Short hinge lever
W: Hinge lever (low OF)
roller lever (low OF)
Reverse hinge lever
(for Z-15G@A55 only)
M:
W3: Hinge lever (medium OF)
W32: Hinge lever (high OF)
W4: Low-force hinge lever
M22:
M2:
NJ:
Reverse short hinge roller lever
Reverse hinge roller lever
Flexible rod (high OF)
NJS:
Flexible rod (low OF)
Split-contact Models
Z - 10 F
Y - B
1 2 3 4
5
4. Construction
Y: Split-contact type
3. Actuator
1. Ratings
10: 10 A (split-contact models)
None: Pin plunger
S:
D:
Q:
Slim spring plunger
Short spring plunger
Panel mount plunger
2. Contact Gap
5. Terminals
None: Solder terminal
F: 1 mm (high-capacity)
Q22: Panel mount roller plunger
W: Hinge lever
B:
Screw terminal
W22: Short hinge roller lever
W2: Hinge roller lever
(with toothed washer)
M22: Reverse short hinge roller lever
Maintained-contact models
Z - 15 E
R
1 2 3 4
1. Ratings
4. Construction
R: Maintained-contact
models
3. Actuator
15: 15 A
None: Pin plunger
S:
W:
Slim spring plunger
Hinge lever
2. Contact Gap
E: 1.8 mm (high-capacity)
Drip-proof with Molded Terminal Models
Z - 55 - M
M
1
2 3
4
4. Length of Leads
3. Direction of Lead Outlets
1. Drip-proof model
1:
3:
1 m
3 m
(Insert model number of basic,
drip-proof version with solder terminals)
L:
R:
D:
Left
Right
Descending
2. Lead Outlets
L type
D type
R type
None: VSF
E: VCT
148
General-purpose Basic Switch Z