BW-BCC Thermal protector

Power class: 6A

Type series: BW-B

normally closed
resets automatically
with connector cables
ceramic insulation
BW-BCC_1
BW-BCC_2

BW-BCC Thermal protector

Main parts

1) Shell  2) Iron bracket  3) bimetal disc

4) movable contact  5) Base  6) stationary silver contact


Construction

The movable contact are welded to the bimetal sheet and then welded to the iron bracket. The stationary silver contact and base are molded into a whole, and then the base is riveted with the iron bracket. The current first passes through the movable contact on the bimetal disc from the iron bracket, and then passes through the stationary silver contact to form a loop.


Function

Under normal conditions, the moving contact is in close contact with the stationary silver contact under the pre-pressure of the bimetal disc; When the rated operating temperature is reached, the bimetal disc is deformed by heat and snap rapidly, cut off the circuit. After that, the device begins to cool down. When it reaches the de-fined reset temperature, the bimetal disc and the spring disc snaps back into its start position, the contacts will close again, and the device starts working again.


PRODUCT PARAMETER

Nominal switching temperature (NST) in 5°C
35 °C - 160 °C
Tolerance (standard)
±5K
Reverse switch temperature (RST) tolerance
See datasheet
Thickness
5mm
Width
8.2mm
Length
21.5mm
Resistance to impregnation
suitable
Pressure resistance to the switch housing
500N
Standard connection
0.33 mm² / AWG22
Available approvals
UL/VDE/CQC
Operating voltage range AC/DC
up until 500 V AC / 36 V DC
Rated voltage AC
250 V
Rated current AC cos ϕ = 1.0 /cycles
6A / 6,000
Rated voltage DC
24.0 V
Max. switching current DC /cycles
6 A / 10,000
Insulation voltage
1.5 kV
Total bounce time
< 1 ms
Contact resistance
≤ 50 mΩ
Vibration resistance at 10 ... 60 Hz
100 m/s²
CONTACT US

Sales:Don Qu

Phone:+86 183 5813 1344

E-mail:sa8@saftty.com

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