Catalog 1308242
Issued 3-03 (PDF Revised 3-09)
W54
series
Push To Reset Only
P&B Thermal Circuit Breaker
Features
• 5 to 40 amp ratings.
• Cannot be manually tripped.
• Button extends for visual trip indication.
• Push button to reset breaker.
• Numerous mounting and termination options.
• Choice of silver-cadmium oxide or silver-tin oxide contacts.
• Optional bottom marking of amperage rating.
Insulation Resistance:
100 megohms.
Maximum Operating Voltages:
50VDC; 250VAC .
Interrupt Capacity:
1,000 amps in accordance with UL standard 1077.
Resettable Overload Capacity:
Ten times rated current.
Reset Time:
60 seconds.
Agency Approvals
W54 series is UL 1077 Recognized as Supplementary Protectors, File
E69543, for Canada and the United States. Available models meet
Ignition Protection requirements in accordance with UL 1500
(excludes models rated >30A). CSA Accepted as Supplementary
Protectors (Appliance Component Protectors), File 240027 (to
125VAC, excludes models rated >30A). Approved to VDE
0642/EN60934 (Circuit Breakers for Equipment) License Number
40007877 (excludes models rated >20A, models with screw terminals,
models with silver-tin oxide contacts). CCC mark compliant,
certificate 2004010307123217.
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of
the agencies/laboratories and review them to confirm the product meets the
requirements for a given application.
Typical Resistance vs. Current Rating @25°C
Current
Rating
in Amps
5.0
6.0
7.0
8.0
10.0
12.0
Typical
Resistance
in Ohms
0.050
0.042
0.036
0.031
0.025
0.021
Current
Rating
in Amps
15.0
20.0
25.0
30.0
35.0
40.0
Typical
Resistance
in Ohms
0.017
0.012
0.010
0.008
0.007
0.006
Mechanical/Environmental Data
Operating Temperature Range:
0°C to +60°C.
Termination:
.250” (6.35mm) quick connects or #8-32 screws.
Mounting:
Various options. See Ordering Information and drawings.
Approximate Weight:
0.9 oz. (25.0g).
Electrical Data @ 25°C
Calibration:
Will continuously carry 100% of rating.
May trip between 101% and 134%, but must trip at 135% of
rating within one hour at +25°C.
Dielectric Strength:
1,500VAC (60 seconds).
Time vs. Current Trip Curve @ +25°C
1000
900
800
Load Current As A Percent
Of Breaker Rating
700
600
500
400
300
200
100
0
135
Outline Dimensions
Overload
Trip Times
100%
No Trip
135%
Trip in 1 hour
200%
5.0 - 30.0 Sec.
300%
1.8 - 7.6 Sec.
400%
1.0 - 4.5 Sec.
500%
0.6 - 3.0 Sec.
600%
0.4 - 2.2 Sec.
800%
0.2 - 1.2 Sec.
1000%
0.15 - 0.8 Sec.
.118 DIA
(3.0)
.465
(11.8)
1.22
(31.0)
.157 MAX.
(4.0)
CLOSED
POSITION
.303
(7.7)
1.378
(35.0)
.846
(21.5)
SEE TERMINAL DRAWINGS
FOR DETAIL
.031 .102
(.8) (2.6)
.575
(14.6)
SEE MOUNTING
BUSHING AND
MOUNTING HARDWARE
DRAWINGS FOR DETAIL
Optional Protective Boot
.1
1
10
100
1000
10,000
Silicone rubber boot is bonded to integral alumimum nut.
1-1423696-5
Black boot for W54 with
3/8”-24 bushing.
.622
(15.8)
Time In Seconds
Ambient Compensation Table
Ambient
Temperature
in °C
10
20
25
30
40
50
60
Revised 3-09
www.tycoelectronics.com
Rating Correction Factor
5-8A Models
.90
.98
1.00
1.10
1.25
1.61
2.00
9-30A Models
.80
.90
1.00
1.05
1.15
1.31
1.55
To use this chart:
Divide the breaker
rating by the correction factor to
determine the compensated rating.
Calculate the overloads in terms of
the compensated rating to use the
published trip curve.
Do not use these devices outside
their specified operating temperature
ranges.
Dimensions are shown for reference
purposes only. Specifications and
availability subject to change.
.63 DIA.
(16.0)
.70 DIA.
(17.8)
.799
(20.3)
1-1423696-6
Clear boot for W54 with
M11 X 1.0 bushing.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-8706-080208
1
Catalog 1308242
Issued 3-03 (PDF Revised 3-09)
Ordering Information
Typical Part No.
1. Designator:
W = Circuit breaker
2. Series Number:
54 = Single pole, push-to-reset, thermal model
3. Circuit Function & Contact Material:
X = Series trip, silver-cadmium oxide contacts
F = Series trip, silver-tin oxide contacts †
4. Button Color & Rate Marking:
A = White, plain, no rate marking
B = White with red rate marking (vertical)
C = White with black rate marking (vertical)
D = Black, plain, no rate marking
E = Black with white rate marking (horizontal)
F = White with red rate marking (horizontal)
G = White with black rate marking (horizontal)
H = Black with white rate marking (vertical)
I = Red, plain, no rate marking
J = Black, no rate marking on button, white rate marking
on bottom of case between terminals.
5. Mounting Bushing:
1 = Metal, 9.8mm (double D) x 12.6mm long, M11x1 threads, (similar to 7/16”), round base
2 = Metal, 3/8” (single D) x 10mm long, 3/8”x24 threads, hex base
3 = Metal, 9.8mm (double D) x 12.6mm long, M11x1 threads, (similar to 7/16”), hex base
4 = Metal, 10.5mm (double D) x 12.6mm long, M12x1 threads, (similar to 15/32”), round base
6 = Plastic, 9.8mm (double D) x 12.6mm long, M11x1 threads, (similar to 7/16”), round base
7 = Plastic, 3/8” (single D) x 10mm long, 3/8”x24 threads, hex base
8 = Plastic, snap-in type
Notes: Codes 1, 3 and 6 are similar in size to 7/16” bushings (not exact equivalent).
Code 4 is similar in size to a 15/32” bushing (not exact equivalent)
6. Terminals:
A = Quick connect .250” (6.35mm), straight
B = Quick connect .250” (6.35mm), bent 90°
C = #8-32 screw, bent 90° (screws installed) †
D = Quick connect .250” (6.35mm), bent 45°
E = Quick connect .250” (6.35mm), bent 90° opposite
F = #8-32 screw, bent 45° (screws installed)
G = QC .250” (6.35mm) and #8-32 screw, bent 90° (screw installed)
7. Mounting Hardware:
4 = Metal, knurled nut/hex nut
6 = Metal, hex nut
12 = Metal, knurled nut
15 = Metal, two hex nuts and one lockwasher
18 = Metal, one hex nut and one lockwasher
8. Mounting Hardware Packaging:
A = Assembled to bushing
9. Maximum Operating Voltage:
1 = 250VAC
10. Nameplate:
0 = None
1 = Embossed aluminum
11. Specify Amp Rating:
5
7
10
6
8
12
15
20
>
W
54
-X
B
1
A
4
A
1
0
-5
†Not VDE
†Not VDE
7 = Plastic, knurled nut
8 = Plastic, knurled nut with small hole
22 = Plastic knurled nut, metal lockwasher
99 = None
C = No mounting hardware
B = Bulk unassembled
2 = 125VAC / 50VDC
2 = Silver color printing on black
3 = Black printing on silver color
25†
30†
35*†‡
40*†‡
*UL1077, but not UL1500
†Not VDE ‡Not CSA
12. UL Recognition:
Leave Blank = UL1077 recognized breaker
M = Model meeting Ignition Protection requirements in accordance with UL 1500, in addition to UL1077 recognition (not available with models >30A rating.)
Code M breakers are not VDE approved or CSA certified.
Our authorized distributors are more likely to stock the following items for immediate delivery.
W54-XB1A4A10-5
W54-XB1A4A10-10
W54-XB1A4A10-15
W54-XB1A4A10-20
W54-XB1A4A10-25
W54-XB1A4A10-30
ORDERING NOTE:
Mounting hardware can be ordered separately. Some options are subject to extended leadtimes and significant minimum order quantities.
Termination Options
.181
(4.6)
.098 ± .01
(2.5 ± 0.3)
.181
(4.6)
Option A
Standard
.250 QC
Straight
Option B
.250 QC
90°
Option C
#8-32 Screw
90°
Option D
Special
.250 QC
45°
Option E
.250
QC/PCB
270°
Option F
#8-32 Screw
45°
Option H
.250 QC Straight
with #8-32 Load
Term. Bent 90°
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-8706-080208
2
Revised 3-09
www.tycoelectronics.com
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Dimensions are shown for reference
purposes only. Specifications and
availability subject to change.
Catalog 1308242
Issued 3-03 (PDF Revised 3-09)
Mounting Bushings and Recommended Panel Cutouts
.441+.008, -.0
(11.2+.2, -.0)
.338
(8.6)
.043
(1.1)
.346 +.008, -.0
(8.8 +.2, -.0)
.441+.008, -.0
(11.2+.2, -.0)
.047
(1.2)
.386
(9.8)
.496
(12.6)
.157
(4.0)
.386
(9.8)
.496
(12.6)
.394+.008, -.0
(10.0+.2, -.0)
.394
(10.0)
.382 +.008, -.0
(9.7 +.2, -.0)
.394+.008, -.0
(10.0+.2, -.0)
Option 1 – M11 X 1.0 Thread
.480 +.008, -.0
(12.2 +.2, -.0)
.157
(4.0)
.413
(10.5)
.496
(12.6)
.421 +.008, -.0
(10.7 +.2, -.0)
Option 2 & 7 – 3/8” - 24UNF Thread
.630.005
(16.13)
.543.005
(13.8.13)
Option 3 & 6 – M11 X 1.0 Thread
Option 4 – M12 X 1.0 Thread
Option 8 – Snap In
Mounting Hardware Options
A
A
A
Optional Bottom Marking of Rating
ALTERNATE TEETH TWISTED
IN OPPOSITE DIRECTIONS
A
84°
56°
B
2 X .059 DIA.
(1.5)
B
B
B
Knurled Nut
Hex Nut
Integrated Knurled Nut
with Small Holes
Lockwasher
Mounting Hardware Dimensions
Dimension
Code
Bushing
Diameter
3/8”
A
M11
M12
3/8”
B
M11
M12
Plastic
Knurled Nut
.74 (18.8)
.74 (18.8)
–
.126 (3.2)
.126 (3.2)
–
Integrated Plastic
Knurled Nut w/Holes
–
.74 (18.8)
–
–
.13 (3.3)
–
Metal
Knurled Nut
.56 (14.2)
.59 (15.0)
.59 (15.0)
.079 (2.0)
.102 (2.6)
.102 (2.6)
Metal
Hex Nut
.55 (14.0)
.55 (14.0)
.55 (14.0)
.079 (2.0)
.118 (3.0)
.079 (2.0)
Lockwasher
.49 (12.5)
.587 (14.9)
.626 (15.9)
.02 (.5)
.02 (.5)
.02 (.5)
Mounting Hardware Ordering Information
Mounting Bushing
Material
Mounting Bushing
Code
1 (M11)
Metal
2 (3/8”)
3 (M11)
4 (M12)
Plastic
6 (M11)
8 (3/8”)
Plastic
Knurled Nut
–
–
–
–
1423696-8
1423696-2
Integrated Plastic
Knurled Nut w/Holes
–
–
–
–
2-1423696-2
–
Metal
Knurled Nut
1423696-4
1-1423696-0
1423696-4
1423696-5
–
–
Metal
Hex Nut
1423696-6
1423696-3
1423696-6
1423696-7
–
–
Lockwasher
1-1423696-2
1-1423696-1
1-1423696-2
1-1423696-3
–
–
Nameplates
.854 DIA.
(21.7)
.945 DIA.
(24.0)
.016 (.4) THICK
.016 (.4) THICK
Embossed
Aluminum
Imprinted Aluminum
(Either Silver on Black
or Black on Silver)
© 2009 by Tyco Electronics Corporation. All Rights Reserved.
P&B, TE logo and Tyco Electronics are trademarks.
Revised 3-09
www.tycoelectronics.com
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Dimensions are shown for reference
purposes only. Specifications and
availability subject to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-8706-080208
3
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