• 250V Thermal Overload Protector
  • 250V Thermal Overload Protector
  • 250V Thermal Overload Protector
  • 250V Thermal Overload Protector
  • 250V Thermal Overload Protector
250V Thermal Overload Protector

250V Thermal Overload Protector

Product Details:

Place of Origin: China
Brand Name: Tian Rui
Certification: ROHS UL
Model Number: BW

Payment & Shipping Terms:

Minimum Order Quantity: 1000PCS
Price: USD0.13-0.25PCS
Packaging Details: 100PCS/Bag
Delivery Time: 5-7 Days
Payment Terms: D/P, T/T,Paypal, Western Union
Supply Ability: 1000000PCS/Month
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Detail Information

Rated Current: 5A~10A Rated Voltage: AC250V/AC125V
Case: Plastic Or Metal Type: Normal Closed Or Normal Open
Electric Intensity: >800V Contact Resistance: <30m?
Insulation Resistance: >100M? Response Speed: ≦1℃/Min
Automatic Cycles: >6000(Resistive Load) Cable Length: 70mm Or Customized
High Light:

70mm Thermal Overload Protector


250V Thermal Overload Protector

Product Description

Plastic Metal Case Normal Closed Normally Open 5A 10A 250V Thermal Protector BW Thermal Switch

Rated Voltage AC250V/AC125V
Rated Current 5A~10A
Electric Intensity >800V
Contact Resistance <30m?
Insulation Resistance >100M?
Response Speed ≦1℃/Min
Number Of Automatic Cycles >6000(Resistive Load)

Technical Parameters


Action temperature Reset temperature Action temperature Reset temperature
45±5℃ 40±6℃ 105±5℃ 80±15℃
50±5℃ 43±6℃ 110±5℃ 80±15℃
55±5℃ 45±6℃ 115±5℃ 85±15℃
60±5℃ 50±10℃ 120±5℃ 90±15℃
65±5℃ 50±10℃ 125±5℃ 95±15℃
70±5℃ 50±10℃ 130±5℃ 100±15℃
75±5℃ 55±10℃ 135±5℃ 105±15℃
80±5℃ 55±10℃ 140±5℃ 110±15℃
85±5℃ 55±10℃ 140±5℃ 115±15℃
90±5℃ 60±10℃ 150±5℃ 120±15℃
95±5℃ 65±10℃ 155±5℃ 125±15℃
100±5℃ 75±10℃ 160±5℃ 130±15℃



BW series Thermal Protector Consists Of Dish Shape High Sensitive Bimetallic Elemeng,Movable Contact-Head,Static Contact-Piece,Soleplate,Outer Case,Ghermal Resistant Lead And So On.When Operation,The Bimetallic Element Is In Free State And Movable Contact-Head And Static Contact-Piece Are Closed And The Circuit Is On.When The Electric Appliance Is In Operation Is In Operation And Produces Heat Caused By Some Troubles And Temperature Is Raised To The Rated Action Temperature Of The Product,The Bimetallic Element Produces Inner Stuess And Acts Quickly And Pushes The Movable Contact-Head And Make The Vontact Point Off And The Power Supply Is Rurned Off The Electric Appliance Stop.In This Way The Thermal Protection Is Made.When The Temperature Of Electric Appliance To Be Protected Is Dropped To The Rated Reset Temperature.The Bimetallic Element Restores To Its Primary State And Contact Point Is Closed .The Electric Appliance Restores Its Work.The Product Has Many Advantages Such As Small In Resistor,Puick In Temperature Feeling,Fast In Action.Safe And Reliable.Compact And So On.
Main Features

BW series thermal protector is to adopt a certain geometry of bimetallic strip, without auxiliary mechanism, only by the bimetallic strip themselves feeling gentle heating current, rapid changes in the state of the bimetallic element, direct drive contact automatic cutting and processing circuit, overheat and overload protection.

BW Series thermal protector has small, nimble, long life and other characteristics, widely used in a variety of tubular motor, induction cooker, vacuum cleaners, coils, transformers, electric heaters, ballast, electric appliances, fluorescent lamp ballasts, auto motor, IC and general electrical equipment overheating over current double protection. 


The Model Number Explain

BW-A: The Metals Outer Shell Type Product.
BW-B: The Plastics Outer Shell Type Product.
The Metals Outer Shell Type The Product Outer Shell Take An Electricity, Should Add To Insulate A Coat.

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