Catalog 1308242
Issued 3-03 (PDF Rev. 12-08)
W23/W31 series
Toggle or
Push/Pull Actuator
Thermal P&B Circuit Breaker
W23 W31
Maximum Resistance vs. Current Rating @ +25C
Features
0.5 amp to 50 amp ratings may be used as on/off switch.
Current Maximum
Cannot be reset against overload.
Rating Resistance
W23 has visible trip indicator band.
in Amps in Ohms 30%
Screw termination.
1 .61
Trip-free operation.
5 .03
10 .01
15 .006
Agency Approvals
20 .004
W23 and W31 are UL 1077 Recognized as Supplementary Protectors. 30 .003
File E69543, and CSA Accepted as Supplementary Protectors 40 .002
50 .002
(Appliance Component Protectors), File LR15734.
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 @ +25C
Mechanical/Environmental Data
Calibration: Will continuously carry 100% of rating, may trip between
Endurance Cycling: More than 6,000 cycles at 100% of rating, or 10,000
101% and 134% of rating at 25C. Must trip at 135% in
mechanical cycles.
one hour.
Humidity: Will meet requirements of MIL-STD-202, Method 106.
Maximum Operating Voltages: 50VDC or 240VAC (to 400 Hz).
Salt Spray: Will meet requirements of MIL-STD-202, Method 101, Test
Interrupting Capacity:
Condition B.
With 4X Max. Series Fuse Protection
Termination: Two #8-32 screw terminals.
0.5-50 amp models 1000 amps at 240VAC.
Mounting: W23 Threaded bushing, 3/8 (9.53mm) diameter.
30-50 amp models 1000 amps at 50VDC.
W31 Threaded bushing, 15/32 (11.91mm) diameter, with or
Without 4X Max. Series Fuse Protection
without anti-rotation flats.
0.5-25 amp models 2000 amps at 50VDC.
Weight: Less than 2 oz. (57g).
10-20 amp models 2000 amps at 120VAC.
Resettable Overload Capacity: Ten times rated current.
Dielectric Strength: Over 1,500 volts RMS.
Time Vs. Current Trip Curve @ +25C
Ambient Compensation Chart
1.40
1000
(A) All 5-50 Amp Models (B) All 0.5-4 Amp Models
1.30
Overload Trip Times Overload Trip Times
900
100% No Trip 100% No Trip
1.20
(A)
135% Trip in 1 hour 135% Trip in 1 hour
800
200% 6.0-22 Sec. 200% 11-30 Sec.
1.10
400% 1.0-3.0 Sec. 400% 2.0-8.0 Sec.
600% 0.45-1.5 Sec. 600% 1.0-5.5 Sec.
700
800% 0.3-0.8 Sec. 800% 0.6-4.0 Sec.
1.00
0.25-0.6 Sec. 0.4-2.5 Sec.
1000% 1000%
600
0.90
500
0.80
(B)
400
0.70
0.60
300
2010 0 102030405060
200
Ambient Temperature In Degrees Centigrade (C)
100
0 To use this chart: Read up from the ambient
.1 1 10 100 1000 temperature to the curve, and across to find a correction
factor. Multiply the breaker rating by the correction factor
Time In Seconds
to determine the compensated rating. Calculate the
overloads in terms of the compensated rating to use the
published trip curve.
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
116
specified. Refer to inside back cover.
Load Current As A Percent
Of Breaker Rating
Correction FactorCatalog 1308242
Issued 3-03 (PDF Rev. 12-08)
Ordering Information
Typical Part No. BB W 23 -X 1A1 G -5
1. Designator:
W = Circuit breaker
2. Series Number:
23 = Single pole, push/pull
3. Circuit Function:
X = Series trip
4. Button:
1 = Black with white amp rate marking and white trip band.
5. Mounting Bushing:
A = 3/8-24 threaded bushing .375 (9.53mm) long, silver color
6. Terminals (See drawings for relative terminal positions):
1 = Screw terminals situated 90 to each other with #8-32 screws and washers installed.
3 = Screw terminals situtated parallel to each other pointing upward with #8-32 screws and washers installed.
7. Mounting Hardware:
A = Knurled nut/hex nut installed
G = Two hex nuts/lockwasher installed
Z = No mounting hardware supplied
8. Amp Rating:
0.5 3 7.5 20 35
1 4 10 25 40
2 5 15 30 50
Stock Items Authorized distributors are more likely to stock the following items.
W23-X1A1G-1 W23-X1A1G-7.50 W23-X1A1G-25 W23-X1A1G-50
W23-X1A1G-2 W23-X1A1G-10 W23-X1A1G-30
W23-X1A1G-3 W23-X1A1G-15 W23-X1A1G-35
W23-X1A1G-5 W23-X1A1G-20 W23-X1A1G-40
Ordering Information
BB
Typical Part No. W 31 -X 2M1 G -5
1. Designator:
W = Circuit breaker
2. Series Number:
31 = Single pole, toggle actuator
3. Circuit Function:
X = Series trip
4. Mounting Bushing:
1 = 15/32-32 threaded bushing .320 (8.13mm) long, round, silver color
2 = 15/32-32 threaded bushing .320 (8.13mm) long, double D, silver color
5. Toggle:
M = Silver color metal toggle, round, with amp rate marking on end
6. Terminals (See drawing for relative terminal positions):
1 = Screw terminals situated 90 to each other with #8-32 screws and washers installed.
5 = Screw terminals situated parallel to each other pointing downward with #8-32 screws and washers installed.
7. Mounting Hardware:
A = Knurled nut/hex nut intalled
G = Two hex nuts/lockwasher installed
Z = No mounting hardware supplied
8. Amp Rating:
0.5 3 7.5 20 35
1 4 10 25 40
2 5 15 30 50
Stock Items Authorized distributors are more likely to stock the following items.
W31-X2M1G-1 W31-X2M1G-10 W31-X2M1G-35
W31-X2M1G-2 W31-X2M1G-15 W31-X2M1G-40
W31-X2M1G-3 W31-X2M1G-20 W31-X2M1G-50
W31-X2M1G-5 W31-X2M1G-25
W31-X2M1G-7.50 W31-X2M1G-30
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
117
specified. Refer to inside back cover.