D4 Series
Miniature
Two Basic Designs
Materials
Case/Cover
Button
Thermoplastic Polyester
International Approved Versions
Designations:
Thermoplastic Acetal (T85)
Thermoplastic Polyester
(T125 & T150)
Standard Force: Series D413, D423, D433, D443, D453
Light Force: Series D419, D429, D439, D449, D459, D489
Auxiliary Actuator
Alumimum, Stainless Steel, or
Cold-rolled Steel (Nickel Plated)
These switches have 6.35 mm or 4.75 mm x 0.81 mm thick
“offset” terminals and metric mounting holes. They are also
available with straight terminals.
Spring
Stainless Steel
Terminals
D41-D44: Brass
D45, D48: Copper (NO/NC),
Brass (COM)
U.S. Versions
Designations:
Moving Blade
D41-D43: Brass
D44-D48: Beryllium Copper
Standard Force: Series D40C, D41C, D42C, D43C, D44C,
Note: Standard material on auxillary straight actuators used
on D40, D41, and D42 is aluminum.
D45C and D49C
Light Force: Series D40L, D41L, D42L, D43L, D44L,
D45L, D48L and D49L
Actuators
These D4 terminals are “straight” and measure 0.187" x
0.020" thick, 0.187" x 0.032" thick or 0.250" x 0.032" thick.
Many special forms and lengths of actuators are available.
Non-standard type integral hinged lever and roller actuators
are available with tooling charges applying. Standard type
integral hinged lever and roller actuators are available in
choice of two pivot positions. Lengths are dimensioned from
centerline of switch upper mounting hole as shown here.
Contacts and Ratings
Series UL & CSA
Prefix Ratings
Contact
Material
D40
1.0 amp, 125 VAC
Gold Crosspoint
Actuator Length
D41*
0.1 amp, 125/250 VAC (UL+CUL) Contacts
0.25 amp, 30 VDC
Standard
Ratio
D42
D43
3 amp, 125/250 VAC
Silver Alloy
Silver Alloy
High Ratio
0.177
0.355
Switch
Mounting
Hole
5 amp, 1/4 HP
125/250VAC
D44
D45
D48
10 amp, 1/2 HP
125/250VAC
Silver Alloy
Silver Alloy
Silver Alloy
Auxiliary Actuator
15 amp, 1/2 HP
125/250 VAC
Length of Auxiliary Actuator
21 amp, 250 VAC
1 HP, 125 VAC
2 HP, 250 VAC
Straight
Roller
D49
10 amp, 1/2 HP
125/250 VAC
6 amp, 30 VDC
Silver Alloy
Temperature Rating
-40° to +85°C, +125°C, and +150°C
optional (See selection guide 3-7)
Flammability Rating
*D41 UL and CUL rated
UL94V-O
Impulse
Roller
Electrical Specifications/Life
See electrical life chart on page 11-4.
3-8
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
