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Proximity switches

series KT-21 and KT-50

KT-xxP series of electronic (PNP) proximity switches eliminates negative features of reed relays. Those switches are fully electronic, which brings excellent properties, long lifetime and integrated protections. We also offer reed switches, series KT-xxR. Series KT switches can be used with all types of Stránský a Petržík‘s cylinders. For various types of cylinders the right bracket must be used.
Switches KT-50 can be used with cylinders with T-slot made by other producer.

Order codes, use on cylinders

Technical data, dimensions, connection

Data sheet (PDF)

Technical information

Rules for using

Brackets for series KT-21

Brackets for series KT-50

Cables and connectors

Order codes

Type	Switching output	Max. switching frequency [Hz]	Function indicator	Order codes for switch with connection
Type	Switching output	Max. switching frequency [Hz]	Function indicator	cable 2 m	Inquiry / Order	cable 0,15 (0,30) m with M8x1 connector	Inquiry / Order
KT-21P	PNP	1000	LED	2202 5111 0210 2000		2202 5111 0215 0000
KT-21R	reed	200	LED	2201 5102 0110 2000		2201 5102 0115 0000
KT-50P	PNP	1000	LED	2202 5011 0110 2000		2202 5011 0115 0000
KT-50R	reed	200	LED	2201 5002 0110 2000		2201 5002 0115 0000

How to fix switch on cylinder and which series for which cylinder type

1) PM-6 bracket is for cylinders with tie rods diameter 5 to 6 mm (cylinders dia. 32, 40), PM-8 bracket is for tie rod diameter 8 mm (cylinders
dia. 50, 63, 160 to 320), PM-12 bracket is for tie rod diameter 12 mm (cylinders dia. 80 to 125 mm)
2) PI-1 bracket is for cylinders dia. 32 and 40 mm, PI-2 is for cyl. dia 50 and 63 mm, PI-3 is for cyl. dia 80 mm and PI-4 is for cyl. dia 100 mm
3) We recommend to use bracket for tube with cylinder with guide unit, to provide sensing in section, where the guide unit is mounted. The guide
body inhibits using of bracket for tie rod / profile. On the other side, or in the area out of guide body, bracket for tie rod / profile can be used.
Pneumatic cylinder type	Switch can be used
Pneumatic cylinder type	directly	with PM-x¹⁾ bracket	with PI-x²⁾ bracket	with PBL-1 bracket (up to Ø63)	with PAB bracket (up to Ø100)	with bracket for dovetail groove
VDMA 24562, Ø32 to 100 mm			KT-21
VDMA 24562, Ø125 to 320 mm, CNOMO		KT-21
Compact, ISO 15552 and short stroke Ø160 and 250 mm	KT-50
DIN ISO 6432					KT-21
Short stroke, Ø20 to 100 mm						KT-50
PDSW, anti-corrosive - hygienic clean, rotary actuator, Ø 20 to 40 mm				KT-50	KT-21
Rotary actuator, Ø50 and more mm		KT-21
With guide unit U or H³⁾		KT-21		KT-50	KT-21

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