92 W Series Grey 50V DC Manual Push to Reset Overload Protector Thermal Circuit Breaker Switch
W Series Circuit Breaker
W Series "SERIES TRIP", "PUSH TO RESET" Single Pole circuit breakers represent our largest selling product family. Bases on a proven
"SNAP ACTING" bimetallic thermal seneing elemant system. WSeries circuit breakers sease Overload conditions and interupt the flow of Current. Theresettableactuator mechenism then remains disengaged until manually reset.
W Series offers amperage ratings from 1.5A to 20A, and is suitable for a diversity of applications, our products are carefully calibrated and tested to ensure reliable performance under a variety of operating assignments and conditions.

| Rated Voltage | AC 120/240V DC 50V |
| Rated Current | 0.25~20A |
| Interrupt Capacity | 1 20VacX1000A240VacX1000A |
| Insulation Resistance | >100 Ω |
| Resettable Overload Capacity | Ten Times Rated Current |
| Dielectric Strength | 1 ,500Vac 1 minute |
| Temperature Rise at Terminal Block | Less than 65°C at 100% of rated Current applied contin uonsly at 28°C |
| Voltage Drop | Less than 0.25V |
| Reset 1 rime | Within 60 seconds |
| Contact Endurance | 125Vac X 150% of rated |
Outline Dimensions of Manual Reset Circuit Breaker


| Typical Resistance VS. Current Rating @ +25°C | |||
| Current Rating in Amps | TvpicalResistance in Ohms | Current Rating in Amps | Typical Resistance in Ohms |
| 1.5~2.A | 0.150 | 8~9A | 0.016 |
| 2.5~3A | 0.120 | 10~11A | 0.012 |
| 3~4A | 0.080 | 12~13A | 0.010 |
| 4~5A | 0.040 | 14~16A | 0.008 |
| 5~6A | 0.025 | 18~20A | 0.006 |
| 6~7A | 0.020 | ||
| Capacity Correction Factors For Ambient Tempera tures | ||||||||||
| Temperature | ||||||||||
| Current Rating Amps | °F | +14 | +32 | +50 | +68 | +77 | +86 | +104 | +122 | +140 |
| °C | -10 | +0 | +10 | +20 | +25 | +30 | +40 | +50 | +60 | |
| 1.5 to 20A | X0.80 | X0.85 | X0.90 | X0.96 | X1.00 | X1.04 | X1.15 | X1.39 | X1.49 | |
The unit is calibratedfor ambient temperature of +25°C. To determine the rated current for a lower or higher ambient Temperature, use a correction factor as above.
Time vs. Current Trip Curve@+25°C of Push to Reset Overload Protector

| 100% of rated current | Hold, No-Trip |
| Below 5A, 150% of rated current | Trip within 1 Hour |
| Over 5A, 135% of rated current | Trip Within 1 Hour |
| 200% of rated current | Trip Within 1 minute |
| Approval | File No. | Rated current range | Rated Voltage | Standard |
| UL+cUL | E478741 | 2~20A | 125/250VAC 50V DC | UL1077 |
| TUV | CN39982 | 0.25~20A | 120/240VAC 50V DC | EN60934 |
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
MP/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363