AR2 Series Overload Protector

AR2 Series Overload Protector

AR2 Series Overload Protector

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Product Features

Rated Current: 3A–25A 

Rated Voltage: 125/250V AC, 50V DC 

Short-Circuit Test: 125V AC × 1000A, 250V AC × 200A 

Dielectric Withstand Voltage: 1500V AC for 1 minute 

Overload Capacity: 10 times rated current 

Voltage Drop: Less than 0.25V 

Insulation Resistance: Greater than 500 MΩ 

Terminal Temperature Rise: <65 K at 100% rated current, stabilized at 25 °C 

Reset Time: Resets within 60 seconds 

Reset Mode: Manual reset 


Test Standards (Constant Temperature 25 °C) 

    100% Current Test: No trip 

    150% Current Test: Trips within 1 hour 

    200% Current Test: 5–40 seconds to trip 

    300% Current Test: 1.2–15 seconds to trip


Technical Specifications

Derating Factor

Temperature

(℃)

Correction Current
60*0.6
50*0.7
40*0.8
30*0.9
25*1.0
20*1.1
10*1.3
0*1.5



Maximum Resistance and Rated Current at 25℃

Rated CurrentMaximum Resistance Value
2~4A<0.05
5~6A<0.04
7~8A<0.025
9~11A<0.02
12~13A<0.01
14~16A<0.008
17~25A<0.007


Dimensional Drawing

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