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1SBV011651R1211 ABB LS43M51B11 Limit Switch
ABB LS43M51B11 1SBV011651R1211 is a 40 mm IP66 reinforced zinc-alloy limit switch with an adjustable Ø22 mm plastic roller lever and 1 NO + 1 NC snap-action contacts for reliable position detection in industrial machinery and automation systems.
£63.51
Why Choose the ABB LS43M51B11 Limit Switch?
The ABB LS43M51B11, order code 1SBV011651R1211, is a robust and reliable electromechanical limit switch designed for position and movement detection in industrial machinery, automation equipment and control systems. As part of the reinforced ABB LS4..M limit switch series, it features a 40 mm wide zinc-alloy (Zamak) housing engineered for demanding industrial environments.
The LS43M51B11 features an adjustable Ø22 mm plastic roller lever actuator combined with 1 NO + 1 NC snap-action contacts in a Zb contact arrangement. The adjustable roller lever allows the actuator position to be adapted to suit the movement and geometry of the machine, making the switch suitable for travel detection, position confirmation, sequencing and automated control functions.
With IP66 protection, a robust metal housing and a mechanical durability of 25 million operations, the LS43M51B11 is designed for repeated operation in industrial machinery. Four mounting holes provide secure installation, while the bottom ISO M20 × 1.5 cable entry provides a threaded connection for integration into machine wiring systems.
Key Advantages
- Reinforced 40 mm industrial limit switch for demanding machinery applications.
- Adjustable Ø22 mm plastic roller lever provides flexible mechanical actuation.
- 1 NO + 1 NC snap-action contacts provide complementary switching functions.
- Robust zinc-alloy (Zamak) metal housing provides increased mechanical durability.
- IP66 protection for operation in demanding industrial environments.
- 25 million-operation mechanical durability supports repeated machine actuation.
- Four mounting holes and an ISO M20 × 1.5 bottom cable entry support straightforward installation.
Key Features
- ABB LS43M51B11 limit switch.
- ABB order code 1SBV011651R1211.
- ABB LS4..M standard reinforced series.
- Adjustable Ø22 mm plastic roller lever actuator.
- 1 NO + 1 NC snap-action contact configuration.
- Zb contact arrangement.
- 10 A conventional free-air thermal current.
- 40 mm wide zinc-alloy (Zamak) housing.
- IP66 degree of protection.
- ISO M20 × 1.5 bottom cable entry.
Reliable Position Detection for Industrial Machinery
Limit switches such as the ABB LS43M51B11 convert physical machine movement into an electrical switching signal. This allows industrial automation systems to detect defined positions, monitor travel limits, confirm component movement and initiate subsequent stages of automated processes.
The adjustable Ø22 mm plastic roller lever provides flexibility when aligning the actuator with moving machinery. Combined with the reinforced zinc-alloy housing, IP66 protection and 1 NO + 1 NC snap-action contacts, the LS43M51B11 provides dependable position feedback for repeated operation in demanding industrial machine-control applications.
Typical Applications
- Industrial machinery position detection.
- Conveyor and material handling systems.
- Machine travel and end-position detection.
- Packaging and production machinery.
- Automated assembly equipment.
- Machine sequencing and position feedback.
- Mechanical movement monitoring.
- OEM machinery and industrial automation systems.
Technical Specifications
| Series | LS4..M Standard Reinforced Limit Switches |
|---|---|
| Order code / MPN | 1SBV011651R1211 |
| ABB product group | 311523-Limit Switches (Frctl) |
| Product type | Electromechanical limit switch |
| Actuator type | Adjustable plastic roller lever |
| Roller diameter | Ø22 mm |
| Contact configuration | 1 NO + 1 NC |
| Contact action | Snap action / quick-break |
| Contact arrangement | Zb |
| Conventional free-air thermal current | 10 A |
| Rated operational current AC-15 at 24 V | 10 A |
| Rated operational current AC-15 at 125 V | 5.5 A |
| Rated operational current AC-15 at 230 V | 3.1 A |
| Rated operational current DC-13 at 24 V | 6 A |
| Rated operational current DC-13 at 125 V | 0.6 A |
| Rated operational current DC-13 at 230 V | 0.4 A |
| Mechanical durability | 25 million operations |
| Protection rating | IP66 |
| Housing material | Zinc alloy (Zamak) |
| Body width | 40 mm |
| Cable entry | ISO M20 × 1.5, bottom entry |
| Mounting | Four mounting holes |
| Operating temperature | -25 to +70 °C |
| Storage temperature | -30 to +80 °C |
| Dimensions (H × W × D) | 138 × 40 × 60 mm |
| Weight | approx. 0.32 kg |
| GTIN / EAN | 3471522002877 |
Frequently Asked Questions
What is the ABB LS43M51B11 used for?
The ABB LS43M51B11 is used to detect the position or movement of mechanical components in industrial machinery, automation equipment and machine-control systems.
What actuator does the LS43M51B11 use?
The LS43M51B11 uses an adjustable Ø22 mm plastic roller lever actuator, allowing the actuator position to be adapted to suit different machine movements and installation arrangements.
What contact configuration does the LS43M51B11 have?
The switch has 1 normally open (NO) and 1 normally closed (NC) snap-action contact in a Zb contact arrangement.
What is the protection rating of the ABB LS43M51B11?
The LS43M51B11 has an IP66 protection rating and a reinforced zinc-alloy housing designed for demanding industrial machinery environments.
What is the ABB order code for the LS43M51B11?
The ABB order code for the LS43M51B11 limit switch is 1SBV011651R1211.
Trusted Industrial Switching from ABB
ABB LS4..M reinforced limit switches provide dependable position and movement detection for industrial machinery, combining robust zinc-alloy construction with reliable snap-action electrical switching for automation and machine-control applications.
