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R

98H Series Thermal Circuit Breaker

Single Pole Push to Reset

•Technical data
•Current rating range 40~80A
•Input voltage rating 125/250VAC; 50VDC
•Interrupting Capacity 125/250VAC x 1,000A(UL 1077)
•Typical life 500 operations at 200% overload.
•Insulation co-ordination Rated impulse withstand voltage 2.5kV
•Dielectric Strength >1,500VAC/min.
•Insulation Resistance >100MOHM (DC 500V)
•Degree of protection Terminal area IP00, operating area IP40
•Mechanical/Environmental Data
•Operating Ambient Temperature: -10 to +60℃ ℃
•Termination: Thickness 1.5mm; 10/24 unc Screwa.
Nickle of plated
•Mounting: Various options. See Ordering Information and drawings
•Compliance with Rohs MADE IN TAIWAN 80A 98H Series KUOYUH
The product accords with the requirement of ROHS( 2011/65/EU)
Contacts use Exempted item of RoHS Directive 2010/571/EU 8(a) C US Rohs

•Compliance with REACH, PAHS, PH1, PH2, PH3 LINE LOAD TC1/OL0/C1 125/250VAC Suppl.Prot. 50/60Hz 50VDC

•Typical applications
Tarnsforms, Motors, Battery chargers, Power supplies,
appliances, extra low voltage systems, machinery.
•Calibration(at25 )℃
•100% of Rated Current: Hold , No Trip
* Dimension in mm:
•150% of Rated Current: Trip Within 1 Hour.
•98H Series 40~80A Trip Curves
•200% of Rated Current: 5-38 sec Trip
1000%
•300% of Rated Current: 3.0-7.5 sec Trip 800% Overlaod Trip time sec
Load Current AS Percent of Circuit Breaker Rating 300%
0.48-2.1
1000%
600%
0.8-3.2
500%
•Approval 500% 800% 0.65-2.5
300%
3.0-7.5
5.0-38.0
200%
•Approval & File No. Rated current Rated voltage 150% Trip in 1Hour
100%
Hold, No Trip
•CUL UL E155159 40-80A 125/250VAC; 50VDC 400%
200%
150%
100%
0.1 1.0 10 100 1000 10000
TIME IN SECONDS
TRIP CURVES ARE SPECIFIED OF 25°C/77°F
•Max.Internal Resistance •Internal connection diagram •Ambient Temperature Correction Factor
Amp rating Max resistance Ambient -10°C 0°C 10°C 25°C 35°C 40°C 50°C 60°C
40~45 A <0.050 Ohms Load temperature
50-60 A <0.040 Ohms Multiplication *1.30 *1.20 *1.10 1.00 *0.94 *0.85 *0.73 *0.68
factor
70 A <0.030 Ohms The time/current characteristic curve depends on the ambient temperature prevailing. In order to
80 A < 0.020 Ohms eliminate nuisance tripping. Please multiply the circuit breaker current ratings by the derating
factor shown below.
Example : Normal Continuous Current = 10A
Ambient Temperature = 45°C
Multiplication Factor = 0.85
Line
Recommended Rating= 10A/0.85=11.8A
Select the Nearest Rating = 12A
* The specification subject to change without notice. The drawing is for reference only.
KUOYUH W.L. Enterprise Co.,Ltd.
No.17 Kejia 6th Road Douliu City YunLin Hsien 64057 Taiwan R.O.C
國郁企業股份有限公司
http//www.kuoyuh.com.tw sales@kuoyuh.com
64057 雲林縣斗六市科加六路17號
Taiwan Tel: 886 5 551 3222 Fax: 886 5 551 3030
China Tel: 86 769 8366 6388 Fax: 86 769 8366 6362
Issue: F1 P6
Date:2017.02.20