1423673-4

Potter & Brumfield W51 series Rocker-Actuated Thermal Circuit Breaker/Power Switch With Optional Indicator Lamp 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. 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. Typical Resistance vs. Current Rating @ +25°C 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. Current Typical Current Typical Rating Resistance Rating Resistance in Amps in Ohms in Amps in Ohms 5.0 6.0 7.0 8.0 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 10.0 15.0 20.0 0.025 0.017 0.0125 Mechanical/Environmental Data 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. * 150% for 5-8A models Dielectric Strength: 1,500VAC (60 seconds). Insulation Resistance: 100 megohms. Maximum Operating Voltages: 50VDC; 125 or 250VAC, 50/60 Hz. (model dependent). Operating Temperature Range: 0°C to +60°C for 10-20A models 0°C to +50°C for 5-8A models 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 Outline Dimensions 1000 Overload Trip Times 100% No Trip 135% Trip in 1 hour (10-20A models) 150% Trip in 1 hour (5-8A models) 200% 4.0 - 40.0 Sec. 300% 1.2 - 12.0 Sec. 400% 0.6 - 5.0 Sec. 500% 0.4 - 2.8 Sec. 600% 0.3 - 1.8 Sec. 900 800 700 Load Current As A Percent Of Breaker Rating 0.050 0.042 0.036 0.031 600 500 400 Terminal not present for non-illuminated models 300 200 135 100 0 .1 1 10 100 Time In Seconds 1000 10,000 Ambient Compensation Table Recommended Panel Cutout Ambient Rating Correction Factor Temperature in °C 5-8A Models 10-20A Models 10 .80 20 .90 25 1.00 30 1.10 40 1.25 50 1.61 60 112 Revised 01-21 www.te.com .80 .90 1.00 1.05 1.15 1.25 1.40 Dimensionsareininchesover (millimeters)unlessotherwise specified. 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. 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). USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-1106-0803 SouthAmerica:55-11-2103-6000 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-8706-080208 Potter & Brumfield Ordering Information Typical Part No. > W 51 -A 1 2 1 B 1 -5 1. Designator: W = Circuit breaker 2. Series Number: 51 = Switchable, Single Pole, Rocker-Actuated Thermal Model 3. Terminals: A = Quick connect .250” (6.35mm) straight C = Printed Circuit - right angle 4. Breaker Style & Base Color: 1 = Angular button design (see drawing below), black base color B = Countoured button design (see drawing below), black base color 5. Rocker 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) 6. Maximum Operating Voltage (AC): 1 = 125VAC 2 = 250VAC 7. Light: A = Non-illuminated (two terminals) B = Illuminated (three terminals, intended for AC load voltages >= 65vac; will not work with DC load voltages) 8. Marking option: 0 = No marking 1 = RESET/OFF printed 2 = RESET/OFF molded (only available on model with contoured button) 9. Specify Amp Rating: 5 6 7 8 10 15 20 Our authorized distributors are more likely to stock the following items for immediate delivery. W51-A121B1-5 W51-A121B1-10 W51-A121B1-15 W51-A121B1-20 W51-A122B1-5 W51-A122B1-10 W51-A122B1-15 W51-A122B1-20 W51-A152A1-5 W51-A152A1-10 W51-A152A1-15 W51-A152A1-20 ORDERING NOTE: Some options illustrated below are not listed in the “Ordering Information” chart above. Options denoted by “Special” or “Special Order” in their 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 TE sales engineer must consult with the factory before providing price and availability information regarding items with these options. Case Styles Marking Options For Contoured Button Design (Molded) For Angular Button Design (Printed) Standard RESET/OFF Printed on Bezel Angular Button Design Contoured Button Design Terminal Types .098 X .157 (2.5 x 4.0) .25 (6.35) .393 (10.0) Standard – .250 Quick Connect Terminal Revised 01-21 www.te.com Wiring Schematic (illuminated models) .205 (5.2) .374 (9.5) Standard RESET/OFF Molded into bezel Standard No Marking .157 X .098 (4.0 x 2.5) .25 (6.35) .393 (10.0) .298 (7.55) TERMINAL THICKNESS .032 FOR ALL TYPES (.81) Special Order Solder Terminal Dimensionsareininchesover (millimeters)unlessotherwise specified. .250 (6.35) .504 (12.8) .601 (15.26) .66 (16.76) .156 (3.95) Standard – Right Angle PC Terminal 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 SouthAmerica:55-11-2103-6000 Hong Kong: 852-2735-1628 113 Japan: 81-44-844-8013 UK: 44-8706-080208