B series motor protectors

Classified Code

Code 1 2
Type Direct heating Indirect heating
 
Construction Code
Code 1 2 3 4
Construction Circle Rectangle Circle with ear Circle with cover
 
Reset Temperature Code
Code A B C D E F G H I
Reset Temp.(℃) ≦61 62~64 65~66 67~68 69~70 71~72 73~74 75~76 77~78
Code J K L M N O P Q R
Reset Temp.(℃) 79~80 81~82 83~84 85~86 87~88 89~90 91~93 94~96 97~99
Code S T U V W X Y Z  
Reset Temp.(℃) 100~102 103~105 106~108 109~111 112~114 115~117 118~120 121~125  
 
Technical Specifications
Applications Temperature Protecting feature Contact Resistance Life Insulation Resistance Dielectric Strength
Overload(25℃) Inductive Current
Open(℃) Reset(℃) Current(A) Cut-out Time(S) Reset Time(A)
Refrigerating Comp. 100~150±5 50~90±7~9 1.5~15 5~16 ≥10 Upon your request ≤50mΩ Over 10,000 cycles ≥100MΩ AC 50Hz 1500V for 1 min
Air-conditioning Comp. 120~170±5 60~110±9~11 10~50 2~20 ≥5

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