Temperature limiter type B01 / F01; 1.6 – 7.5 A

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B01 and F01 are switches with connection cables, automatically resetting, with Expoxy

F01 fully insulated in Ryton® cap

F01 fully insulated in Nomex® cap

  • Possible applications in switch cabinets, on motor housings or heat sinks
Art.-Nr.
B01
F01

 

Switch type: NC contact B01 resetting NC contact F01 resetting
isolated: yes yes
Temperature
Nominal switching temperature (NST), in 5 K steps [°C] 60 -200
Tolerance range -Standard- Tol [ [K] ± 5
Switch-back temperature (RST below NST) UL [K]

VDE [°C]

-35 ± 15

≥35

Tension
max. Operating voltage range up to … 500 V AC / 14 V DC
Rated voltage AC [VAC] 250 ( VDE), 277 (UL)
Current/switching cycles
Rated current AC – cos j = 1.0 [A] / [n] 2,5 / 10’000
Rated current AC – cos j = 0.6 [A] / [n] 1,6 / 10’000
Max. Switching current AC- cos j = 1.0 [A] / [n] 6.3 / 3,000

7.5 / 300

Rated current AC – cos j = 0.4 [A] / [n] 1,8 / 10’000
Max. Switching current AC- cos j = 0.4 [A] / [n] 7,2 / 1‘000
Rated voltage DC [V] 12
Max. Switching current DC [A] / [n] 40,0 / 10‘000
Other data
High-voltage resistance [kV] 2
Total bounce time [ms] < 1
Contact resistance (according to MIL-STD R5757) [mΩ] £ 50
Vibration resistance 10 … 60 Hz [m/s2] 100
Compressive strength of the switch housing [N] 450
Suitable for installation in protection class I + II
Impregnation resistance suitable
Licences and approvals
please specify IEC, ENEC, VDE, UL, CSA, CQC
Dimensions (standard)
diameter Ø d [mm] 10,0 9,4
Overall height h [mm] from 5.1 from 5.4
Standard connection Stranded wire: 0.25 mm2/AWG 22
Current dependency charateristics
The special feature of the 01 and 02 series is that they are temperature-sensitive switches. In their rated operation (rated current), they exhibit very low self-heating due to the current. Therefore, a switching point reduction takes place at most within the nominal switching temperature tolerance.

 

Hint

The data and information provided are based on tests and test series. They are intended as a guide, which is why there may be deviations for individual applications and uses. The suitability for a specific application must be checked by the user in each individual case. We will of course be happy to advise you.