Dongguan Tianrui Electronics Co., Ltd
Dongguan Tianrui Electronics Co., Ltd
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88A Series Manual Reset Overload Protector Electric Push Button Switch Circuit Breaker
88A series equipment circuit breakers (commonly known as overcurrent protectors) are suitable for AC 50/60Hz, rated working voltage to 250Vac, DC 32Vdc, rated current to 20A for additional overload protection in the internal branch circuit of electrical equipment, a key part of the product The temperature sensing element is made of bimetallic materials. It is both a thermal sensor and an operating mechanism. It is accurate and reliable in action. It is widely used in various electromechanical appliances, such as: electric tools, power sockets, various generators, motors ( Such as washing machine), uninterruptible power supply (UPS), electric heating appliances, etc.
Main Technical Parameters
| Rated Voltage | 125/250VAC | |||||||
| 32VDC | ||||||||
| Rated Current | XXA | |||||||
| Interrupt Capacity | 1000A(UL1077) | |||||||
| Insulation Resistance | 500VDC 5s″, insulation resistance≥100ΜΩ | |||||||
| Dielectric Strength | 1500VAC/min | |||||||
| Reset Time | within 60S | |||||||
| Reset Type | Manual reset | |||||||
Mechanical/Environmental Data
Working temperature: -10℃ to 60℃
Terminal: Quick-connect terminal or solder terminal
Nut: a variety of options, see product appendix and diagram
Terminal temperature rise: rated current <65℃ (ambient temperature is 25℃)
Contact life: ＞500Cycles at rated current and 125VAC×150%
Table of Environmental Correction Factors
| Derating Factor | |
| -5°C | (3A-4A)×1.2, (5A-30A)×1.12 |
| +40°C | (3A-4A)×0.92,(5A-30A)×0.94 |
The time/current characteristic curve depends on the ambient temperature prevailing. In order to
eliminate nuisance tripping. Please multiply the current breaker current ratings by the derating
factor shown below.
Example :
Normal Continuous Current =10A
Ambient Temperature = 40°C
Multiplication Factor = 0.94
Recommended Rating=10A/0.94=10.6A
Select the Nearest Rating = 11A
Application
This product is widely used in household appliances (power sockets, coffee machines, juice machines, vacuum cleaners, audio-visual equipment, kitchen appliances, etc.), engines, air compressors, electric vehicles, automobiles, power tools, UPS, large power supplies, medical equipment, Major fields of circuit protection such as mechanical motion and motors.
| OVERLOAD | TRIP TIME | ||||
| 150% | Trip in a hour | ||||
| 200% | 5.0-33.0 SEC | ||||
| 300% | 2.0-7.0 SEC | ||||
| 400% | 0.6-5.0 SEC | ||||
| 500% | 0.4-2.8 SEC | ||||
| 600% | 0.3-1.8 SEC | ||||
| 800% | 0.18-0.9 SEC | ||||
| 1000% | 0.12-0.7 SEC | ||||
| Approval | File No. | Rated Current | Rated Voltage | Standard | ||||||
| CUL | E155159 | 3-16A | 125/250VAC | UL1077 | ||||||
| TUV | B140558611005 | 3-16A | 125-250VAC | EN60934 | ||||||
| 32VDC | ||||||||||
| CCC | 2014010307718890 | 3-16A | 125/250VAC | GB17001 | ||||||
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
MP/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363