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KSD302 Big Current Bakelite Thermal Switch(7/8")

KSD302 series snap-action big current bakelite thermal switch is a kind of hermetically sealed big current bimetal thermostat (7/8" disc). It is of single-pole single-throw structure and works under resistive load. Owing to high loading capacity, the product series is appropriately used in high-duty electric appliances to provide overheating protection.

Use

Temperature control/Overheat protection

Appliance

Heater(heater thermostat)

Reset type

Automatic

Base material

resist heat resin base

Amperage

25A

Max. Operating Temperature

125℃

Differential

Refer to the regulation

Min. Diff

11℃

Tolerance

Refer to the regulation

Protection
class

IP00

Contact material

Silver/Gold

Dielectric Strength

Parts between electriferous components and non-electriferous ones can bear 2000V (3750V for Reinforced insulation type) 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flashover.

Insulation
Resistance

With a DC 500V megger, borne DC 500V, the tested value is over 10MW.

Resistance
Between Terminals

Below 50mW

Temp.characteristics

Normal type: OFF temperature higher than ON temperature.(Normal close)
One-shot type: The thermostat switches on at room temperature and it won't be able to reset after switching off.

Maximum ambient
temperature

185℃ (Long period) 
215℃ (Less than 15 min)

Diameter of
bimetal disc

(7/8″)

Approvals

UL/CQC/TUV

Terminal type

Customized (Refer to our specification)

Cover/Bracket

Customized (Refer to our specification)


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