Plastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector
  • Air ProPlastic Case Normally Closed Bimetal Thermal Protector

Plastic Case Normally Closed Bimetal Thermal Protector

KSD9700 Bimetal Thermal Protector is normal closed , designed for over temperature protection with international standard temperature tolerance ±5 degree and life time more than 5000 cycles.The following is about Plastic Case Normally Closed Bimetal Thermal Protector related, I hope to help you better understand Plastic Case Normally Closed Bimetal Thermal Protector.

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Product Description

Plastic Case Normally Closed Bimetal Thermal Protector

Plastic Case Normal Closed Temperature Switch KSD9700 Bimetal Thermal Protector 5A 250VAC 70C


Application Of Plastic Case Normally Closed Bimetal Thermal Protector


KSD9700 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.

Plastic Case Normally Closed Bimetal Thermal Protector factoryPlastic Case Normally Closed Bimetal Thermal Protector factory

Features Of Plastic Case Normally Closed Bimetal Thermal Protector


KSD9700 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


Contact Type Of Plastic Case Normally Closed Bimetal Thermal Protector

* (Normally Closed="NC")It is close until the surface reaches Action Celsius degree and then the switch open, automatically reset.Widely used for temperature control or protection for household electric appliances.* (Normally open="NO")Not exceeding temperature control temperature is open (not working condition), more than this temperature to start work!

Technical Parameters Of The KSD9700 Bimetal Thermal Protector


International standard tolerance ±5℃
Reset temperature can be customized
Life span more than 5000 cycles @ rated loading
Normal electrical strength 50Hz,2000V,Imin,no breakdown or flashover
Overcurrent performances 5 to 10A
Contact Resistance ≤50mOhm
Insulation Resistance≥100MOhm
Size 4.0x7.2x17mm


Part number

Operating temperature

(℃)

Reset Temperature(℃)

Part number

Operating temperature

(℃)

KSD9700-50℃

50±5

30±8

KSD9700-105℃

105±5

KSD9700-55℃

55±5

35±10

KSD9700-110℃

110±5

KSD9700-60℃

60±5

40±10

KSD9700-115℃

115±5

KSD9700-65℃

65±5

45±10

KSD9700-120℃

120±5

KSD9700-70℃

70±5

45±15

KSD9700-125℃

125±5

KSD9700-75℃

75±5

50±15

KSD9700-130℃

130±5

KSD9700-80℃

80±5

55±15

BW-DCM-135℃

135±5

KSD9700-85℃

85±5

55±15

BW-DCM-140℃

140±5

KSD9700-90℃

90±5

60±15

BW-DCM-145℃

145±5

KSD9700-95℃

95±5

65±15

BW-DCM-150℃

150±5

KSD9700-100℃

100±5

65±15

BW-DCM-160℃

160±5


Rated voltage : 250VAC
Rated current: 5A-10A


aterials Of Plastic Case Normally Closed Bimetal Thermal Protector


Code

Name

Material

Code

Name

Material

A

Metal case

δ0.4 with SPCE

G

Base

Cu H62

B

Shrapnel

Bronze

H

Static contact

AgNi10/Cu

C

Bimetal

BR-1

I

Insulator

PBT-VG30

D

Action contact

AgNi10/Cu

J

Insulation sleeve

Polyester sleeve

E

Sealants

Epoxy resin

K

Immersion Tin

Environmental tin

F

Cable

22#





Reliability Of Plastic Case Normally Closed Bimetal Thermal Protector


Appearance: Thermal protector of shell can’t have burrs, the phenomenon such as corrosion, crack, deformation; Marking should be correct, correct, clear, durable resistance to wipe;

Performance:Electrical rating Of The KSD9700 Bimetal Thermal Protector

Rated current:AC250V/6A   AC125V/8A  8A/DC24V  not more than 5A at DC low voltageMaximum short circuit current:DC 12V 100AMinimum use of electric current:DC 5V  10mA


Contact Resistance Of Plastic Case Normally Closed Bimetal Thermal Protector


Contactor in the closed state, thermal protector the contact resistance between the two touch points should be not greater than 50 m Ω.


Insulation Resistance Of Plastic Case Normally Closed Bimetal Thermal Protector


Insulation resistance should be more than 100 m Ω .

Electric Strength Of The KSD9700 Bimetal Thermal Protector

For thermal protector applied between the following parts of the basic frequency is 50 hz sine wave test voltage (RMS), lasted 1 s shall be no flashover or breakdown phenomenon

In the condition of thermal breaking contact, between the lead wire: 500V

In contact normally closed conditions, between lead and shell surface of the insulating layer: 1500V


Moisture-proof Of The KSD9700 Bimetal Thermal Protector


Place it in the ambient temperature is 25 ℃, relative humidity is 95% for 10 hours later, meet requirements 6.4 and 6.5, and no abnormal change in appearance structure.


Heat Cycling Of The KSD9700 Bimetal Thermal Protector


Place at 20 ℃ and + 90 ℃ temperature every 2 hours , cycle over 10 times, comply with requirement 6.4, 6.5, and no abnormal change in appearance structure.


Heat Resistance Of The KSD9700 Bimetal Thermal Protector


Placed 10 hours later in 140 ℃ temperature, meet requirements 6.4 and 6.5, no abnormal change in structure and appearance.


Cold endurance Of The KSD9700 Bimetal Thermal Protector


Placed in - 20 ℃ temperature for over 10 hours, satisfies requirement 6.4 and 6.5, no abnormal change in structure and appearance.

Action the change in temperature is less than 5℃


Repeated opening and closing the durability Of The KSD9700 Bimetal Thermal Protector


In room temperature, connected to AC 50HZ&220V&power factor COS∮ = 0.7  under the condition of rated load test after 2000 times, rated operating temperature should be within + / - 5 ℃ of initial value, and contact no welding, after 8000 times thermal protector should still can continue to work.  


Vibration Of The KSD9700 Bimetal Thermal Protector


Vibration frequency 50HZ、amplitude 0.35 mm、last 90S of fixed frequency test、test after the rated breaking temperature shall satisfy the requirements of 6.2.


Drop impact resistance Of The KSD9700 Bimetal Thermal Protector


Any coagulation from 1200 mm height fell to the ground after 3 times, its appearance structure without changes.

Operating temperature is within 5℃

Wire pull strength performance

With not less than 30 n axial static tension, lasted for 5 seconds, fuses without fracture, loose, falls off phenomenon


roduction Processes

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