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D4 Series
Features
s
8 current ratings
s
Choice of actuators
s
Various terminal types
s
3 contact arrangements
s
Choice of standard or light
operating force
s
Long life coil spring mechanism
s
Agency approved extended
life versions
s
VDE approved versions available
upon request
s
Stackable case and cover
available upon request
Miniature
OR
®
Flame retardant, UL94V-O
self-extinguishing case and cover.
Long life stainless steel
spring mechanism.
ARC-resistant case
has internal barriers
4mm minimum between
live parts and external
hardware.
NC Terminal
NO Terminal
Reinforced mounting holes totally
contained in case to provide
maximum distance to mounting
hardware. Choice of U.S. (#4 screw)
or metric (3mm screws).
Offset terminals maintain
adequate spacing when
quick connects are used.
Single or double throw,
either normally open or
normally closed.
Common Terminal
3-6
D4 Series
Two Basic Designs
International Approved Versions
Designations:
Standard Force:
Series D413, D423, D433, D443, D453
Light Force:
Series D419, D429, D439, D449, D459, D489
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.
Miniature
Materials
Case/Cover
Button
Thermoplastic Polyester
Thermoplastic Acetal (T85)
Thermoplastic Polyester
(T125 & T150)
Alumimum, Stainless Steel, or
Cold-rolled Steel (Nickel Plated)
Stainless Steel
D41-D44: Brass
D45, D48: Copper (NO/NC),
Brass (COM)
D41-D43: Brass
D44-D48: Beryllium Copper
Auxiliary Actuator
Spring
Terminals
U.S. Versions
Designations:
Standard Force:
Series D40C, D41C, D42C, D43C, D44C,
D45C and D49C
Light Force:
Series D40L, D41L, D42L, D43L, D44L,
D45L, D48L and D49L
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.
Moving Blade
Note:
Standard material on auxillary straight actuators used
on D40, D41, and D42 is aluminum.
Actuators
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.
Actuator Length
Standard
Ratio
Contacts and Ratings
Series UL & CSA
Prefix Ratings
D40
D41*
D42
D43
D44
D45
D48
Contact
Material
1.0 amp, 125 VAC
Gold Crosspoint
0.1 amp, 125/250 VAC (UL+CUL) Contacts
0.25 amp, 30 VDC
3 amp, 125/250 VAC
5 amp, 1/4 HP
125/250VAC
10 amp, 1/2 HP
125/250VAC
15 amp, 1/2 HP
125/250 VAC
21 amp, 250 VAC
1 HP, 125 VAC
2 HP, 250 VAC
10 amp, 1/2 HP
125/250 VAC
6 amp, 30 VDC
Silver Alloy
Silver Alloy
Silver Alloy
High Ratio
0.177
0.355
Switch
Mounting
Hole
Auxiliary Actuator
Silver Alloy
Silver Alloy
Straight
Length of Auxiliary Actuator
D49
Silver Alloy
Temperature Rating
Flammability Rating
*D41 UL and CUL rated
-40° to +85°C, +125°C, and +150°C
optional (See selection guide 3-7)
UL94V-O
Roller
Electrical Specifications/Life
See electrical life chart on page 11-4.
Impulse
Roller
3-8
D4 Series
Light
Force
OF Max. gms.
Switch Types
US L-R1AA
Miniature
Characteristics:
OF – Operating Force, PT – Pretravel, OP – Operating Point,
OT – Overtravel, MD – Movement Differential, AL – Actuator Length
PT
D49
Max. Inches
mm
OP**
Inches
mm
OT
Min. Inches
mm
MD
Max. Inches
mm
AL
Inches
mm
Tol.
±
.031 in.
Tol. (
±
.78 mm)
D40 D41
D42 D43 D44 D45
15
Int’l. 9-V1AA*
US L-R1LA
15
15
45
75
100
75
0.047
1.19
0.558
0.598
14.17
15.19
0.580
0.620
14.73
15.75
0.555
0.645
14.10
16.38
0.525
0.675
13.34
17.15
0.776
0.836
19.71
21.23
0.761
0.851
19.33
21.62
0.731
0.881
18.57
22.38
0.500
0.700
12.70
17.78
0.425
0.775
10.80
19.69
1.000
1.090
25.40
27.69
0.050
1.27
0.010
0.250
—
15
15
15
45
75
100
75
0.062
1.57
0.050
1.27
0.016
0.406
0.865
21.97
Int’l. 9-V1LA*
US L-R1YD
8
Int’l. 9-V1YD*
US L-R1XD
8
8
22
37
50
37
0.125
3.18
0.085
2.16
0.030
0.760
1.400
35.56
5
5
5
14
22
30
22
0.220
5.59
0.130
3.30
0.040
1.02
1.580
40.13
Int’l. 9-V1XD*
US L-R1RA
15
15
15
45
75
100
75
0.047
1.19
0.040
1.02
0.010
0.250
0.810
20.57
Int’l. 9-V1RA*
US L-R1RD
8
8
8
22
37
50
37
0.125
3.18
0.085
2.16
0.030
0.760
1.340
34.04
Int’l. 9-V1RD*
US L-R1TD
5
5
5
14
22
30
22
0.200
5.08
0.120
3.05
0.040
1.02
1.516
38.51
Int’l. 9-V1TD*
US L-R1YL
3.5
3.5
3.5
10
17
22
17
0.300
7.62
0.187
4.75
0.065
1.65
2.757
70.03
Int’l. 9-V1YL*
US L-R1XL
2
2
2
6
10
13
10
0.500
12.70
0.312
7.92
0.100
2.54
2.932
74.47
Int’l. 9-V1XL*
US L-R1GD
8
8
8
22
37
50
37
0.125
3.18
0.085
2.16
0.030
0.760
1.340
34.04
Int’l. 9-V1GD*
Remarks:
* These suffix numbers indicate SPDT contact arrangement. SPST-NO and SPST-NC also available. See ordering information on page 3-9.
** Measured above reference line. Refer to dimensional drawing on page 3-7.
D48:
Operating force 120 Grams max., Pretravel 0.070 max., Operating Point .557
±.020,
Overtravel 0.040 min., Movement Differential 0.010 max.
3-10
Real-time operating system RTOS
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