2-1423673-3 Datasheet, PDF (1/2 Pages) Tyco Electronics – Rocker-Actuated Thermal Circuit Breaker/Power Switch With Optional Indicator Lamp

Catalog 1308242
Issued 3-03 (PDF Revised 4-07)
P&B
W51 series
Rocker-Actuated
Thermal Circuit Breaker/Power Switch
With Optional Indicator Lamp
Features
• Compact, trip-free, rocker-actuated design.
• 5 to 20 amp ratings.
• Provides circuit protection and power switching in a single unit.
• Available with optional indicator lamp.
• Snaps into the same cutout as many common power switches.
• Various color, marking and termination options.
Agency Approvals
W51 series is UL 1077 Recognized as Supplementary Protectors, File
E69543, for Canada and the United States. Approved to VDE
0642/EN60934 (Circuit Breakers for Equipment) License Number
40017023 (for AC loads only). CCC mark compliant, certificate
2004010307123223.
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 ensure 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; 125 or 250VAC, 50/60 Hz. (model
dependent).
Interrupt Capacity: 1,000 amps in accordance with UL standard 1077.
Resettable Overload Capacity: Ten times rated current.
Switch Endurance Cycling: Typically 6,000 operations at 100% of rating.
Reset Time: 60 seconds.
Typical Resistance vs. Current Rating @ +25°C
Current
Rating
in Amps
5.0
6.0
7.0
8.0
Typical
Resistance
in Ohms
0.050
0.042
0.036
0.031
Current
Rating
in Amps
10.0
15.0
20.0
Typical
Resistance
in Ohms
0.025
0.017
0.0125
Mechanical/Environmental Data
Operating Temperature Range: 0°C to +60°C.
Termination: .250” (6.35mm) quick connects, solder terminals or right
angle PC terminals.
Mounting: Snaps into 1.122 x .531 (28.5 x 13.5) panel cutout.
Approximate Weight: 0.37 oz. (10.5g).
Time vs. Current Trip Curve @ +25°C
1000
900
800
700
600
Overload
100%
135%
200%
300%
400%
500%
600%
Trip Times
No Trip
Trip in 1 hour
4.0 - 40.0 Sec.
1.2 - 12.0 Sec.
0.6 - 5.0 Sec.
0.4 - 2.8 Sec.
0.3 - 1.8 Sec.
500
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
5-6A Models
.80
.90
1.00
1.10
1.25
1.61
2.15
7-20A Models
.80
.90
1.00
1.05
1.15
1.25
1.40
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.
Outline Dimensions
.598
(15.2)
.118
.394
(3.0)
(10.0)
1.260
(32.0)
.827
(21.0)
.858
(21.8)
.079
(2.0)
1.232
(31.3)
.315
(8.0)
.25
(6.35)
.394
(10.0)
.504
(12.8)
.354
(9.0)
TYP.
1.098
(27.9)
.031
(0.8)
TYP.
1.311
(33.3)
Recommended Panel Cutout
SUGGESTED
PANEL CUTOUT
.531
(13.5)
1.122
(28.5)
Panel Thickness
W51 series circuit breakers accommodate panel thicknesses
from 0.030 in. to 0.118 in. (0.75 mm - 3.0 mm).
Dimensions are shown for
112 reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.