Germany Siemens/Siemens 3SE5250-0LC05 safety switch with plunger actuator

3SE5250-0LC05 Introduction: Siemens Sirius 3SE5 Series Safety Switch 3SE5250-0LC05, with plunger actuator, plastic housing, 2 NC/1 NO

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Model features introduced

3SE5 Limit Switches, Modular Unit
SIRIUS3SE5 limit switches provide the reliable performance required for everyday industrial applications due to their modular, consistent design and wide selection of variants and working mechanisms. The standard design and features of the limit switches not only make it easy to select the right switch, but also make them quick and easy to install, wire, and maintain. When you choose the right products and use them correctly in combination with fail-safe evaluation devices such as 3TK28, ASISafe, SIMATIC or SINUMERIK, SIRIUS3SE5 are designed for safety applications up to Category 4 in accordance with ISO13849-1 (EN954-1).

Enclosure size

Open Position Switch IP20 (3SE5250-*****) Plastic Housing to EN50047, 31mm Wide, IP65, 1 Cable Entry (3SE5232-***** and 3SE5234-*****) Plastic Housing to EN50041, 40mm Wide, IP66/IP67, 1 Cable Entry (3SE5132-***** & 3SE5134-*****) Plastic Housing, 50mm Wide, IP66/ IP67, 2 cable entries (3SE5242-*****) metal enclosure to EN50047, 31mm wide, IP66/IP67, 1 cable entry (3SE5212-***** and 3SE5214-*****) metal enclosure to EN50041, 40mm wide, IP66/IP67, 1 cable entry (3SE5112-*****) metal enclosure, 56mm wide, IP66/IP67, 3 cable entries (3SE5122-*****) XL metal housing with 4-6 contacts, 56mm width, IP66/IP67, 3 cable entry (3SE5162-*****) housing, ambient temperature down to -40°C (3SE5***-*****-1AJ0)
Enclosure model

Contact blocks with two or three contacts (screw terminals) designed as slow-acting or snap-in contacts; Slow-acting contacts are also made before break (see technical data), optional LED status display (3SE5***-1K*** and 3SE5***-1L***), 4- or 5-pole M12 connector socket with M20 ́1.5 connection thread or mounting (see technical data), versions with enhanced corrosion protection (3SE5***-*****-1CA0), models with operating temperatures up to -40°C (3SE5***-*****-1AJ0)
peculiarity
Easy replacement and installation by installing plugs with uniform interfaces, actuator heads integrated with chlorinated rubber membrane (high functional safety in cold and aggressive environments) All actuator heads are able to rotate in 22.5° increments through a quick-connect system in plastic housings for up to 25% reduction in installation time Models with 3-pole contact blocks ensure enhanced safety through redundant disconnection and additional signals, while having the same housing size as 2-pole contact blocks IP65/ The 66/67 protects switching points and mounts to EN50041 standards or EN50047 built-in circular plunger with 3mm overtravel (9mm total stroke) to provide greater tolerance during switching

Safety limit switches

Model parameters are introduced

attribute	numeric value
Actuator type	button
Actuators are included	be
Normal state configuration	Normally open/2 normally closed
Action type	Stories
IP rating	IP10
Connection type	screw
Housing material	plastics
Number of contacts	3
series	3SE5
width	30mm
Mechanical life (minimum)	15,000,000 cycles
range	SIRIUS
length	59.2mm
size	59.2x30x27mm
depth	27.8mm

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Germany Siemens/Siemens 3SE5250-0LC05 safety switch with plunger actuator

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