Gold Member Since 2017

Miniature Circuit Breaker, Breaker, MCB manufacturer / supplier in China, offering Sontune St61 Series (MCB) Miniature Circuit Breaker, AC Contactorst2 (new LC1-D) 8011, Sontune Stsp-11 Magnetic Contactor and so on.

(/ )

Supplier Homepage Product Miniature circuit breaker Sontune St61 Series (MCB) Miniature Circuit Breaker

Sontune St61 Series (MCB) Miniature Circuit Breaker

Purchase Qty.:
20,000-49,999 50,000+
FOB Unit Price: US $0.55 US $0.54
Purchase Qty. (Pieces) FOB Unit Price
20,000-49,999 US $0.55
50,000+ US $0.54
Get Latest Price
Port: Ningbo, China
Production Capacity: 10000pieces/Day
Payment Terms: T/T

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: ST61
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Type: Circuit Breaker
  • Certification: CE
  • Ue: 24,36,48,110,220,230,240,380,415,440V
  • Pole: 1p 2p 3p 4p
  • Transport Package: Exporting Carton
  • Origin: Wenzhou Zhejiang
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 4
  • Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
  • Standard: IEC 69898
  • in: 1,2,4,6,10,16,20,25,32,40,50,63A
  • Trademark: SONTUNE
  • Specification: 240pcs/ctns
  • HS Code: 8536200000
Product Description

ST61 series high breaking capacity mini circuit breaker is used in AC50/60Hz, rated voltage of 230V

3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898 standard.  


ModelST61 MCB
Tripping CurveB,C,D
Rated Short-circuit capacity(Icn)3KA,4.5KA,6KA,10KA
Rated Current(In)1,2,4,6,10,16,20,25,32,40,50,63A
Rated Voltage(Un)AC230(240)/400(415)V
Magnetic releases B curve: between 3and 5 In
C curve: between 5and 10In
D curve: between 10 and 14In
Electro-mechanical enduranceover 6000 cycles
Sontune St61 Series (MCB) Miniature Circuit Breaker
Sontune St61 Series (MCB) Miniature Circuit Breaker
Sontune St61 Series (MCB) Miniature Circuit Breaker

Our Services:
  1. Competitive price
  2. Continuance Service and support
  3. Good-after service
  4. Quality Reliability and Long Product Life.

Company Information

  is one of manufactories that specialize in manufacturing AC CONTACTOR, Thermal Relay and Circuit Breaker, and is located in Liushi.Wenzhou.China 
Sontune St61 Series (MCB) Miniature Circuit Breaker

Contact  us
Sontune St61 Series (MCB) Miniature Circuit Breaker


Thanks for your reading.If any product meets your need.Welcome to send us an email.We are sure your any information can be attentioned without any delay.

Send your message to this supplier
Ms. Sontune
To: Ms. Sontune

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category