Thermal Protetors Type CR6 / SR6; 4.0 – 25A

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CR6 and SR6 not automatically resetting, voltage-retained, with connection cables, with Expoxy

SR6 with Mylar®-Nomex® insulating cap

Art.-Nr.
CR6
SR6

 

Switch type: NC contact CR6 self-retaining NC contact SR6 latching
isolated: no yes
Temperature
Nominal switching temperature (NST), in 5 K steps [°C] 60 – 180
Tolerance range ≤ 140 °C Tol [ [K] ± 5
Tolerance range ≥140 °C Tol [ [K] ± 10
Reverse Switch Temperature (RST below NST) UL [ [K] ≥ 35
(defined RST on customer request) VDE [ °C] ≥ 35
Tension
Operating voltage range up to … 250 V
Rated voltage AC [VAC] 120/230 (VDE), 250 (UL)
Current/switching cycles
Rated current – cos φ = 1.0 [A] / [n] 10,0 / 1’000
Rated current -cos φ = 0.6 [A] / [n] 6,3 / 1’000
max. Switching current cos φ = 1.0 [A] / [n] 25,0 / 1’000
Additional specifications
High-voltage strength [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] 600
Available Licenses and Approvals
please specify IEC, ENEC, VDE, UL, CSA, CQC
Dimensions (standard)
Diameter Ø d [mm] 9,0 9,4
Overall height h [mm] from 6.3 from 6.7
Length of insulation cap l [mm] 17,0
Standard stranded wire connection: 0.75 mm2/AWG 18
Functional diagram
 

 

The ceramic resistor connected in parallel to the switch heats up after the contact opens, which keeps the contact in the open state.

 

 

CR6 SR6

 

Note

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 in a specific application must be checked by the user in each individual case.

We will be pleased to advise you.