Siemens

Siemens

Siemens is a global technology powerhouse that operates in various sectors, including industry, energy, healthcare, and infrastructure. With a history dating back over 170 years, Siemens has established itself as a leader in innovation and sustainability. The company offers a wide range of products, solutions, and services, ranging from automation and digitalization to electrification and mobility. Siemens' industrial automation systems help optimize manufacturing processes, while their energy solutions focus on efficient power generation and distribution. In the healthcare sector, Siemens provides advanced medical imaging equipment and clinical IT systems. Additionally, Siemens is involved in developing smart infrastructure solutions to support sustainable development in cities and communities. With a strong commitment to technological advancement and social responsibility, Siemens continues to drive progress and shape the future across multiple industries.

Limit Switches

Results:
484
Series
Actuator Type
Operating Temperature
Ingress Protection
Circuit
Operating Force
Voltage Rating - AC
Termination Style
Current Rating (Amps)
Operating Position
Release Force
Mounting Type
Voltage Rating - DC
Switch Function
Overtravel
Pretravel
Features
Differential Travel
Results remaining484
Applied Filters:
Siemens
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ImageProduct DetailPriceAvailabilityECAD ModelMounting TypeCircuitSwitch FunctionFeaturesOperating TemperatureTermination StyleActuator TypeCurrent Rating (Amps)Voltage Rating - ACVoltage Rating - DCIngress ProtectionSeriesOperating ForceRelease ForcePretravelDifferential TravelOvertravelOperating Position
3SE52120BC05
LIMSW ,METAL, PLUNGER,1NO+1NC,SL
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52320KD03
LIMIT SWITCH,ROLLER PLUNGER,1NO+
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Roller Plunger
6A (AC), 3A (DC)
120 V
24 V
IP65 - Dust Tight, Water Resistant
3SE5
2039gf
-
-
-
-
-
3SE52141CC051AF3
LIMSW,METL,PLNGR,1NO+1NC,SNAP,2L
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 60°C
Connector
Round (Pin Plunger)
3A (DC)
-
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52320LE12
SIRIUS POSITION SWITCH
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Lever, Roller
6A (AC), 3A (DC)
125 V
24 V
IP65 - Dust Tight, Water Resistant
3SE5
1020gf
-
-
-
-
-
3SE52320LK21
LIMIT SW,METAL ROLLER CRANK,1NO+
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Side Rotary, Roller
6A (AC), 3A (DC)
120 V
24 V
IP65 - Dust Tight, Water Resistant
3SE5
-
-
-
-
-
-
3SE51120LA00
LIMSW BODY,METAL,1NO+2NC,SNAP,M2
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52120CD03
LIMSW,METAL,ROLL PLNGR,1NO+1NC,S
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Roller Plunger
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51220LA00
LIMSW BODY,METAL,1NO+2NC,SNAP,3M
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51120MA00
LIMSW BODY,METAL,1NO+2NC,OVERLAP
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51320PB01
LIMSW,40MM,STEEL PLNGR,2NO+1NC,S
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NO/1NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52120KC051CA0
LIMSW ,METAL, PLUNGER,1NO+2NC,SL
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52320CC051AJ0
LIMSW,METAL,PLUNGER,1NO+1NC,SNAP
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-40°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
120 V
24 V
IP65 - Dust Tight, Water Resistant
3SE5
2039gf
-
-
-
-
-
3SE51320BC03
LIMITSW,PLASTIC RND PLUNGER,1NO+
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52320KK21
LIMIT SW,METAL ROLLER CRANK,1NO+
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Quantity
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PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Side Rotary, Roller
6A (AC), 3A (DC)
120 V
24 V
IP65 - Dust Tight, Water Resistant
3SE5
-
-
-
-
-
-
3SE52120PC051CA0
LIMSW,METAL,RND PLUNGER,1NO+2NC,
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NO/1NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51320LC03
LIMITSW,PLASTIC RND PLUNGER,1NO+
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51220KA00
LIMSW BODY,METAL,1NO+2NC,SLOW,3M
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
125 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52120LC051CA0
LIMSW ,METAL,RND PLNGR,1NO+2NC,S
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
3PST-2NC/1NO
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Round (Pin Plunger)
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE52120BD03
LIMSW,METAL, ROLL PLUNGER,1NO+1N
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Roller Plunger
6A (AC), 3A (DC)
120 V
24 V
IP66/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
2039gf
-
-
-
-
-
3SE51120CH80
LIMIT SW,ALUM ROD ACT,200MM,1NO+
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Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Chassis Mount
DPST-NO/NC
On-Mom, Off-Mom
-
-25°C ~ 85°C
Screw Terminal
Side Rotary, Adjustable Rod
6A (AC), 3A (DC)
125 V
24 V
IP65/IP67 - Dust Tight, Water Resistant, Waterproof
3SE5
-
-
-
-
-
-

About  Limit Switches

Snap action limit switches are mechanical devices that play a crucial role in making or breaking electrical connections. They achieve this by either closing or opening electrical contacts or solid-state circuitry when triggered by human or mechanical interaction. These switches are commonly used to detect and respond to specific positions within a mechanical system, typically at travel limit positions. When selecting a limit switch, consideration is given to the actuator type required for the particular application. Actuator options include an adjustable plunger or rod, toggle, arm lever, roller, cone, leaf, rotary actuator, spring, whisker, or cable. Each actuator type is designed to accommodate different mechanical setups and requirements. An adjustable plunger or rod actuator allows for fine-tuning the position at which the switch is triggered, providing flexibility in determining the limit point. A toggle actuator offers a simple on/off mechanism, while an arm lever actuator enables actuation through the movement of a lever arm. Switches with roller actuators utilize a rolling mechanism to detect and respond to specific positions, ensuring smooth operation. Other actuator types, such as cones, leaves, rotary actuators, springs, whiskers, or cables, offer further variations to suit specific application needs. The choice of actuator depends on factors such as the mechanical setup, space constraints, and desired sensitivity or force required to trigger the switch. Snap action limit switches are commonly employed in various industries and applications, including manufacturing, automation, and safety systems. They provide reliable and precise position detection, ensuring that electrical connections are made or broken at predetermined points in the mechanical system. This helps prevent damage, ensure proper functioning, and enhance safety. In summary, snap action limit switches are mechanical devices that facilitate the opening or closing of electrical contacts or solid-state circuitry when actuated by human or mechanical interaction. The selection of these switches depends on the desired actuator type, which can be adjusted to suit specific mechanical setups. Limit switches are crucial components that enable accurate position detection and play a key role in ensuring proper functioning and safety in various industries and applications.