88A Manual Reset Protector KUOYUH MINI Overcurrent Protector Breaker

88A series equipment manual reset circuit breakers (commonly known as motor overcurrent protectors) are suitable for AC 50/60Hz, rated working voltage to 250Vac, DC 32Vdc, rated current to 3A-20A for additional overload protection in the internal branch circuit of electrical equipment, a key part of the product The temperature sensing protector. 88 Series Push-to-Reset circuit breaker is a unipolar, single-push reset thermal protector product, used to protect motor equipment.

KUOYUH 88A Manual Reset Overload Protector 4A 5A 6A 7A 8A 9A 10A 11A 12A 13A 14A 15A 16A

88A Appliance Overload Protector Switches For Motors Transformers

88A Circuit Breaker Thermal Protection Switch

Product name: 88A series
rating :3A-20A;
(Input Power):125VAC/250VAC/32VDC 50-60Hz;
(Withstand voltage strength):1500VAC/1min;
Leakage current: ≤0.5mA(1500VAC/min,the leaked current is less than≤0.5mA);
(Insulation Resistance):500VDC1Min≥100MΩ;
(Rated short-circuit capacity):125VAC/1000A，250VAC/1000A;
(Rated breaking capacity): 6 times rated current;
(reset): Manual Push Reset;
(Reset Time): Within 60s”;

Tripping characteristics
(The test environment temperature):25℃±3℃;
(200% of Ratcd Currcnt): 5-30s” Seconds Trip;
(150% of Rated Current): Trip within 1 Hour;
(100% of Rated Current): Hold, No Trip ;

Main Technical Parameters

Rated Current	125/250VAC
Rated Current	32VDC
Rated Voltage	XXA
Interrupt Capacity	1000UN(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 brea ker current ratings by the derating factor shown below

88A Circuit Breaker Series 3A~16A Trip Time Curves

KUOYUH 88A Manual Reset Overload Protector Dimensions

Example:
Normal Continuous Current= 10A
Ambient Temperature = 45 °C
Multiplication Factor = 0.85
Recommended Rating=10A/0.85=11.8A
Select the Nea rest Rating = 12A

OVERLOAD	TRIP TIME
150%	Trip in a hour
200%	5.0-30.0 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
800%	0.18-0.9 SEC
1000%	0.12-0.7 SEC

Performance form of the experiment

Max Resistance V.S.Current Rating at 25℃		Derating Factor
Max Resistance V.S.Current Rating at 25℃		Temperature	Rating Amp
Current Rating in Amp	Max Resistance in ohms	60℃	X 0.6
3-4Amp	< 0.05	50℃	X 0.7
5-6Amp	< 0.04	40℃	X 0.8
7-8Amp	< 0.025	30℃	X 0.9
9-11Amp	< 0.02	25℃	X 1.0
12-13Amp	< 0.01	20℃	X 1.1
14-16Amp	< 0.008	10℃	X 1.3
17-25Amp	< 0.007	0℃	X 1.5

Approval	File No.	Rated Current	Rated Voltage	Standard
CUL	E155159	3-30UN	125/250VAC	UL1077
TUV	B140558611005	3-30UN	125-250VAC	EN60934
TUV	B140558611005	3-30UN	32VDC	EN60934
CCC	2011010307520568	3-30UN	125/250VAC	GB17001