3UA55 thermal relay

3UA55 thermal relay

$8.67

  • Safe Buying: by Paypal Safe Buying: by Paypal
  • Fast Delivery: by DHL, TNT, UPS, Fedex, EMS Fast Delivery: by DHL, TNT, UPS, Fedex, EMS
  • Best Price: Faryuan Electric Factory direct sale Best Price: Faryuan Electric Factory direct sale

3UA55 thermal relay

3UA   INDUSTRIAL THERMAL OVERLOAD RELAY is suitable for AC 50/60Hz, voltage up to 660V and current up to 630A,general AC motor of long or discontinuous long operation, used as overload protection and hasthe functions of breaking phase protection, temperature compensation, and trip indication. Itcan automatically and manually get back. It can be fixed with contactor CJX1 together, also beindependtly fixed. The product conforms to IEC60947-4-1 stardand.

Motion Characteristic: Three-phase Balance Motion Time

 

No Times of the setting current Motion time Start condition Ambient temperature
1 1.05 >2h Cold state 20±5oC
2 1.2 <2h Heat state(Following the No.1 test)
3 1.5 <4min
4 7.2 10A 2s< Tp≤10s ≤63A Cold state
10 4s< Tp≤10s >63A

 

Phase-losing Motion Characteristic

 

No Times of the setting current Motion time Start condition Ambienttemperature
Any two phases Another phase
1 1.0 0.9 >2h Cold state 20±5oC
2 1.15 0 <2h Heat state(Following the No.1 test)