W51-A122B1-20 Tyco Electronics, W51-A122B1-20 Datasheet - Page 2

• Manufacturer Part Number: W51-A122B1-20
• Description: CIRCUIT BREAKER THERM 20A ILLUM
• Manufacturer: Tyco Electronics
• Series: W51r

Specifications of W51-A122B1-20

• Mounting Type: Panel Mount
• Breaker Type: Thermal
• Voltage: 50VDC, 250VAC
• Current - Trip (it): 20A
• Number Of Poles: 1
• Actuator Type: Rocker
• Voltage Rating Vdc: 50V
• Voltage Rating Vac: 250V
• Current Rating: 20A
• No. Of Poles: 1
• Voltage Ac: 250V
• Product Type: Circuit Breakers
• Voltage Rating: 250 VoltsAC
• Trip Time: 4 s to 40 s
• Mounting Style: Snap In
• Termination Style: Quick Connect
• Circuit Function: Switchable
• Color: Red
• Dielectric Strength: 1.5 KVAC
• Features: Provides circuit protection and power switching in a single unit
• Illuminated: Yes
• Length: 32 mm
• Product: Thermal Circuit Breakers
• Width: 15.2 mm
• Height: 27.9 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1-1423673-4; PB653

ORDERING NOTE: Some options illustrated below are not listed in the “Ordering Information” chart above. Options denoted by “Special” or “Special Order” in their
Ordering Information
Dimensions are shown for
reference purposes only.
W51-A121B1-5
W51-A121B1-10
Case Styles
Our authorized distributors are more likely to stock the following items for immediate delivery.
1. Designator:
2. Series Number:
3. Terminals:
4. Breaker Style & Base Color:
5. Rocker Color:
6. Maximum Operating Voltage (AC):
7. Light:
8. Marking option:
9. Specify Amp Rating:
W = Circuit breaker
51 = Switchable, Single Pole, Rocker-Actuated Thermal Model
A = Quick connect .250” (6.35mm) straight
1 = Angular button design (see drawing below), black base color
B = Countoured button design (see drawing below), black base color
1 = Amber (translucent)
2 = Red (translucent)
3 = Green (translucent)
4 = White (opaque - for use on non-illuminated models)
5 = Black (opaque - for use on non-illuminated models)
6 = Red (opaque - for use on non-illuminated models)
7 = Gray (opaque - for use on non-illuminated models)
8 = Black (opaque) with red (translucent) indicator (only available on model with contoured button)
9 = Black (opaque) with green (translucent) indicator (only available on model with contoured button)
1 = 125VAC
A = Non-illuminated
0 = No marking
1 = RESET/OFF printed
5
Terminal Types
.098 X .157
(2.5 x 4.0)
Angular Button
.250 Quick Connect
.374
(9.5)
Design
Standard –
Terminal
6
(6.35)
(10.0)
.393
.25
descriptions are only offered on a special order basis. Other base and button colors and intermediate amp ratings are also available on a special order
basis. All special order items are subject to extended leadtimes and significant minimum order quantities. Your Tyco Electronics sales engineer must
consult with the factory before providing price and availability information regarding items with these options.
2 = 250VAC
W51-A121B1-15
W51-A121B1-20
7
.157 X .098
Contoured Button
(4.0 x 2.5)
TERMINAL THICKNESS
FOR ALL TYPES
Design
.205
(5.2)
2 = RESET/OFF molded (only available on model with contoured button)
Special Order -
Special Order -
Typical Part No.
8
Terminal
Terminal
Solder
Solder
(6.35)
(10.0)
.393
.25
B = Illuminated
Dimensions are in inches over
(millimeters) unless otherwise
specified.
W51-A122B1-5
W51-A122B1-10
10
(.81)
.032
(7.55)
.298
B
C = Printed Circuit - right angle
15
Right Angle PC
(16.76)
(12.8)
.504
.66
Standard –
Terminal
(15.26)
.601
W
20
W51-A122B1-15
W51-A122B1-20
(3.95)
.156
(6.35)
Catalog 1308242
.250
Issued 3-03
51
Specifications and availability
subject to change.
-A
Marking Options
W51-A152A1-5
W51-A152A1-10
1
RESET/OFF
RESET/OFF
Standard -
Standard -
Printed on
For Angular Button Design
Bezel
2
(Printed)
W51-A152A1-15
W51-A152A1-20
No Marking
Standard -
1
B
For Contoured
Button Design
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Molded into
RESET/OFF
RESET/OFF
Standard -
Standard -
(Molded)
1
bezel
-5
P&B
113