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1SBV012291R1211 ABB LS33P91B11 Steel Spring Rod Limit Switch 1 NO + 1 NC
ABB LS33P91B11 is an IP65 double-insulated industrial limit switch with a multidirectional steel spring rod actuator, 1 NO + 1 NC snap-action Zb contacts and an ISO M20 × 1.5 cable entry for reliable machine movement and position detection.
£21.41
Why Choose the ABB LS33P91B11 Limit Switch?
The ABB LS33P91B11 is a standard industrial limit switch with a multidirectional steel spring rod actuator, designed for reliable mechanical movement and position detection in machinery and automation systems. With ABB order code 1SBV012291R1211, it belongs to ABB's LS3..P range of compact 30 mm plastic-cased limit switches.
The LS33P91B11 features a flattened steel spring rod that can be actuated from multiple directions, making it particularly useful where the approach direction of a moving component may vary. Its switching element incorporates 1 normally open (NO) + 1 normally closed (NC) snap-action contact in a Zb arrangement for complementary machine-control signalling.
The fibreglass-reinforced UL-V0 plastic housing provides double insulation and IP65 protection. Two upper mounting holes and a bottom ISO M20 × 1.5 cable entry support straightforward installation, while the flexible spring-rod actuator provides a practical solution for multidirectional movement detection.
Key Advantages
- Multidirectional steel spring rod actuator accommodates movement from different approach directions.
- Compact 30 mm wide housing for industrial machine installations.
- 1 NO + 1 NC snap-action contacts for complementary control and signalling.
- Zb contact arrangement for defined switching behaviour.
- IP65 protection for industrial environments.
- Double-insulated fibreglass-reinforced UL-V0 housing.
- ISO M20 × 1.5 cable entry for metric cable-gland installation.
Key Features
- ABB LS33P91B11 limit switch.
- LS3..P standard plastic-casing series.
- 30 mm wide body.
- Flattened steel spring rod actuator.
- Multidirectional mechanical actuation.
- 1 normally open + 1 normally closed contact.
- Snap-action Zb switching mechanism.
- IP65 degree of protection.
- Double-insulated construction.
- Two upper mounting holes.
- ISO M20 × 1.5 bottom cable entry.
- ABB order code 1SBV012291R1211.
Flexible Multidirectional Position Detection
Limit switches convert physical machine movement into electrical switching signals used for sequencing, control and position monitoring. The ABB LS33P91B11 uses a flexible steel spring rod that can respond to contact from different directions, making it useful where the path or alignment of the moving machine component varies.
The internal 1 NO + 1 NC snap-action Zb contacts provide a defined electrical switching response when the spring rod is displaced sufficiently. Combined with the double-insulated IP65 housing and compact 30 mm format, the LS33P91B11 provides a versatile solution for repetitive industrial movement and position detection.
Typical Applications
- Industrial machinery position detection.
- Multidirectional movement sensing.
- Machine end-of-travel detection.
- Conveyor and material handling systems.
- Packaging and production machinery.
- Automated manufacturing and process equipment.
Technical Specifications
| Series | LS3..P Standard |
|---|---|
| Product group | 311523-Limit Switches (Frctl) |
| Order code | 1SBV012291R1211 |
| Product type | Limit switch |
| Housing | Plastic |
| Housing material | Fibreglass-reinforced UL-V0 material |
| Housing width | 30 mm |
| Actuator type | Flattened steel spring rod |
| Actuation | Multidirectional |
| Contact configuration | 1 NO + 1 NC |
| Contact action | Snap action |
| Contact element form | Zb |
| Maximum actuation speed | 1 m/s |
| Minimum actuation torque | 0.12 N·m |
| Conventional free-air thermal current | 10 A |
| Rated operational current, AC-15 at 24 V | 10 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 110 V | 0.6 A |
| Rated operational current, DC-13 at 125 V | 0.55 A |
| Rated operational current, DC-13 at 250 V | 0.4 A |
| Protection rating | IP65 |
| Insulation | Double insulated |
| Cable entry | ISO M20 × 1.5, bottom entry |
| Mounting | Two mounting holes at the top |
| Recommended short-circuit protection | 10 A gG fuse |
| Operating temperature | -25 to +70 °C |
| Storage temperature | -30 to +80 °C |
| Product net width | 30 mm |
| Product net height | 168 mm |
| Product net depth | 30 mm |
| Product net weight | 0.08 kg |
| EAN | 3471522003515 |
| Minimum order quantity | 1 piece |
Frequently Asked Questions
What is the ABB LS33P91B11 used for?
The LS33P91B11 is an industrial limit switch designed for mechanical movement and position detection, particularly where multidirectional actuation is useful.
What actuator does the ABB LS33P91B11 use?
The LS33P91B11 uses a flattened steel spring rod actuator that can respond to mechanical contact from different directions.
What contacts does the LS33P91B11 have?
The switch incorporates 1 normally open and 1 normally closed snap-action contact in a Zb arrangement.
What is the protection rating of the ABB LS33P91B11?
The ABB LS33P91B11 has an IP65 protection rating and a double-insulated fibreglass-reinforced UL-V0 plastic housing.
What cable entry does the LS33P91B11 use?
The LS33P91B11 has a bottom ISO M20 × 1.5 threaded cable entry for installation with a suitable metric cable gland.
Trusted ABB Position-Sensing Technology
ABB LS series limit switches provide dependable mechanical movement and position detection for industrial machinery, automation equipment and control systems where compact construction, repeatable switching and reliable actuator operation are required.
