English
Language : 

2-1423674-8 Datasheet, PDF (1/3 Pages) Tyco Electronics – Push To Reset Only P&B Thermal Circuit Breaker
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.
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.
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).
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.
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).
Time vs. Current Trip Curve @ +25°C
1000
900
800
700
600
500
Overload Trip Times
100%
No Trip
135% Trip in 1 hour
200%
300%
400%
500%
600%
5.0 - 30.0 Sec.
1.8 - 7.6 Sec.
1.0 - 4.5 Sec.
0.6 - 3.0 Sec.
0.4 - 2.2 Sec.
800% 0.2 - 1.2 Sec.
1000% 0.15 - 0.8 Sec.
400
300
200
135
100
0 .1
1
10
100
1000
10,000
Time In Seconds
Ambient Compensation Table
Ambient
Temperature
in °C
10
20
25
30
40
50
60
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.
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.
Outline Dimensions
.118 DIA
(3.0)
.465
(11.8)
1.22
(31.0)
1.378 .846
(35.0) (21.5)
.157 MAX.
(4.0)
CLOSED
POSITION
.303
(7.7)
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
Silicone rubber boot is bonded to integral alumimum nut.
.63 DIA.
(16.0)
.622
(15.8)
1-1423696-5
Black boot for W54 with
3/8”-24 bushing.
.70 DIA.
(17.8)
.799
(20.3)
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
1-1423696-6
Clear boot for W54 with
M11 X 1.0 bushing.
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
1
UK: 44-8706-080208