JRS1 series thermal overload relay miniature protective relay

JRS1 series thermal overload relay miniature protective relay

 Application                                                                                                                                          

JRS1 series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz,voltage up to 690v,current up to 0.1-80A under 8-hours duty or uninterrupted duty.

Functions provided by these relays, are phase-failure protection, temperature compensation, ON/OFF indication , and manual/automatic reset.

Applicable Standards

National Standard: GB 14048

International Standard: IEC 60947-4-1

The relays can be mounted onto contactors or installed as single units

  Features                                                                                                                                              

Three-phase thermal relays with release class 10A.

With differential phase-failure protection.

With continuous current adjusting scale.

With temperature compensation.

With TEST (OFF) button.

With Manual/Auto reset button.

With Auxiliary contacts 1 NO+1 NC insulated each other.

Mounting: plug in connection with contactor or install as a single unit.

  Operating conditions                                                                                                                        

1 The altitude couldn t exceed 2000m.

2 Ambient temperature: -5 ~+55 and the average temperature no more than +35 in 24 hours

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.The maximum average comparative humidity of this month couldn t exceed 90%, The changeof temperature leading to dew on the product must be considered

4 Class of pollution: Class 3

5 The slope between installation surface and vertical surface couldn t exceed 5o

6 Keeping away from explosive, corrosive and electric atomy

7 Keeping dry

8 The product should be used and installed at certain place without any shock, vibration etc.

Technical data                                                                                                                                    

Dimension                                                                                                                                          

  Partner                                                                                                                                               

 Trade info                                                                                                                                            

Trade Terms:FOB ,CIF ,CFR,EXW,DDP

Payment terms:T/T,L/C,Western union,Paypal,Escrow,MoneyGram

Payment conditions:30% deposit in advance,70% balance before shipping.

Delivery time:3-7working days after deposit,2-4 working days for inventory

Packing:Neutral carton,Wooden case for large size

Shipping:By sea,by air and by express delivery 

 Certifications                                                                                                                                  

 FAQ                                                                                                                                                     

Other product                                                                                                                                     

 About us                                                                                                                                             

     Yueqing Winston Electric Co., Ltd. is not only an exporting company, but also a professional manufacturer in China. We have our own production base. The products we professionally deal with are switching power supplies, sensors, relays, voltage stabilizers, AC contactors, circuit breakers, distribution boxes, industrial plugs & sockets and others. Since we are a manufacturer & exporter, we are sure that we can best support our customers with high quality products and the most competitive prices. Our company is located in Wenzhou - the Electric Capital of China. We specialize in developing, manufacturing and distributing low voltage & high voltage electrical products. We are an ISO9001:2000 certified company.

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