Temperature limiter type CP1 / SP1 / SP1 600N / KP1; 1.6 – 7.5 A

CP1	SP1, SP1-600N	KP1

Switching type	NC contact CP1 latching	NC contact SP1 latching		NC contact KP1 latching
	not automatically resetting
Insulated: with insulation protection cap	no	Yes		yes
Temperature
Nominal switching temperature (NST), in 5 K steps [°C]	60 – 180
Tolerance range -Standard- Tol[ [K]	± 5
Switch-back temperature (RST below NST) UL [°C] VDE [°C]	> 35 > 35
Tension
Operating voltage range from … [VAC]	100 to 250
Rated voltage AC [VAC]	250 (VDE), 277(UL)
Current/switching cycles
Rated current – cos j = 1.0 [A] / [n]	2,5 / 1’000
Rated current – cos j = 0.6 [A] / [n]	1,6 / 1’000
max. Switching current – cos j = 1.0 [A] / [n]	10,0 / 1‘000
Rated current – cos j = 0.6 [A] / [n]	6,3 / 1’000
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]	—	600 for SP1 600N		—
Suitable for installation in protection class	I	I + II		I + II
Impregnation resistance	suitable
Available licences
please specify	IEC, VDE, UL, CSA, CQC, SP1 600 N IEC,VDE only
Dimensions (standard)
		SP1	SP1 600N
Diameter Ø d [mm]	9,0	9,4	10,0	9,4
Overall height (with standard connection) h [mm]	from 4,5	from 4,9	from 6,6	from 4,9
Length of insulation cap l [mm]	—	15,0;	17,0	13,0
Standard stranded wire connection:	0.25 mm2/AWG 22
Functional circuit diagram
When the switch is opened, the current flows through the PTC heating resistor and heats the switch so that it remains switched off until the voltage is removed.

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.