ABB type 3P thermal overload relay TA25 for A series contactor

1.Used for ABB A series contactor 2.Voltage up to 690V 3.Current up to 0.1-30A 4.ABB Standard

1.Specification

TA(VR30) series thermal overload relay are suitable for overload and phase-failure protection of ACmotors with frequency of 50/60Hz,voltage up to 690V,current up to 0.1-30A under 8-hours dutyor uninterrupted duty.Functions provided by these relays, are phase-failure protection, temperature compensation,Test button and manual reset.Applicable StandardsNational Standard: GB 14048International Standard: IEC 60947-4-1The relays can be mounted onto contactors or installed as single units.

Operation conditions

(1)The altitude couldn t exceed 2000m.(2)Ambient temperature: -5 ~+55 and the average temperature no more than +35 in 24hours.(3)Atmosphere: Comparative humidity no more than 50% at max +40 , and it may be higher at a lower temperature. The lowest average temperature no more than +20 in the wettest month.(4)The maximum average comparative humidity of this month couldn t exceed 90%, The change of temperature leading to dew on the product must be considered.(5)Class of pollution: Class 3.(6)The slope between installation surface and vertical surface couldn t exceed 5o.(7)Keeping away from explosive, corrosive and electric atomy.

(8)Keeping dry.(9)The product should be used and installed at certain place without any shock, vibration etc.

Features

Three-phase thermal relays with release class 10.With differential phase-failure protection.With continuous current adjusting scale.With temperature compensation.With TEST (OFF) button.With Manual reset button.With Auxiliary contacts 1 NO+1 NC insulated each other.Mounting: plug in connection with contactor or install as a single unit.

2.Product photo

ABB type 3P thermal overload relay TA25 for A series contactor