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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LS-S02-ZB |
| Alternative Part Number | lss02zb |
| Manufacturer | ABB |
| Type | Safety position switch |
| Contact Configuration | 2 N/C (Normally Closed) |
| Material | Insulated material |
| Connection Type | Screw connection |
| Rated Operational Current (AC-15) | 24 V: 10 A, 125 V: 6 A, 230 V: 6 A |
| Rated Operational Current (DC-13) | 24 V: 3 A, 125 V: 0.8 A, 230 V: 0.3 A |
| Rated Impulse Withstand Voltage (Uimp) | 4000 V AC |
| Rated Insulation Voltage (Ui) | 400 V |
| Supply Frequency | Max. 400 Hz |
| Short-circuit Protection | Max. fuse 6 A gG/gL |
| Repetition Accuracy | ± 0.15 mm |
| Mechanical Durability | 1.5 million operations |
| Shock Resistance | Half-sinusoidal shock, 20 ms: 25 g |
| Operating Frequency | ≤ 1800 operations/h |
| Ambient Operating Temperature Range | -25°C to +70°C |
| Degree of Protection (IP) | IP65 |
| Degree of Protection (NEMA) | 13 |
| Compliance | IEC/EN 60947-5, UL 508, CSA-C22.2 No. 14, CE marking |
| UL File No. | E29184 |
| UL Category Control No. | NKCR |
| CSA File No. | 12528 |
| CSA Class No. | 3211-03 |
The ABB LS-S02-ZB is a robust safety position switch designed to ensure reliable operation in a variety of industrial settings. This switch is part of ABB's comprehensive range of safety position switches, known for their durability and precision. With a protection rating of IP66, it is well-suited for use in environments where dust and water resistance are paramount.
Crafted from high-quality insulated material, the LS-S02-ZB features two normally closed (NC) contacts that provide a safety function through positive opening, in compliance with IEC/EN 60947-5-1 standards. The switch is versatile in its mounting options, allowing for horizontal or vertical installation, and the actuator can be manually repositioned in 90° increments to accommodate various levels of actuation.
The switch's electrical characteristics include a rated insulation voltage of 500V and a rated operational current of 6A for AC-15 at voltages of 24V to 240V, and 4A at 415V. For DC-13 applications, the rated operational current is 3A at 24V, 0.6A at 110V, and 0.3A at 220V. It is designed to withstand a rated impulse withstand voltage of 6000V AC, ensuring it can handle transient overvoltages without damage.
The LS-S02-ZB is engineered for a wide operating temperature range from -25°C to +70°C, making it suitable for a variety of climatic conditions. Its mechanical durability is evidenced by a mechanical lifespan of 1.5 million operations and a shock resistance of 25g for standard-action contacts.
This switch is not only reliable but also designed with safety in mind, featuring forced opening contacts and the absence of electronic outputs, which simplifies its integration into safety systems. The absence of an interface for safety communication ensures straightforward operation without the need for complex programming.
Overall, the ABB LS-S02-ZB safety position switch is a dependable choice for engineers and maintenance professionals looking for a straightforward, durable, and safe switching solution in their industrial applications.
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Frequently Asked Questions
What type of switch is the LS-S02-ZB?
The LS-S02-ZB is a safety position switch designed for confirming the position of machine components or other elements in automation applications. It features 2 normally closed contacts and is constructed from insulated material.
Can the LS-S02-ZB be used as a mechanical stop?
No, the LS-S02-ZB should not be used as a mechanical stop. It is designed to act as a position switch for safety applications.
What is the degree of protection provided by the LS-S02-ZB?
The LS-S02-ZB offers a degree of protection of IP66, meaning it is dust-tight and protected against powerful water jets.
What are the operating temperature limits for the LS-S02-ZB?
The LS-S02-ZB can operate within an ambient temperature range of -25°C to +70°C.
What type of connection does the LS-S02-ZB use?
The LS-S02-ZB utilises a screw terminal connection for secure and reliable electrical connections.
Is the LS-S02-ZB suitable for safety functions?
Yes, the LS-S02-ZB is suitable for safety functions and includes features such as positive opening to comply with safety standards.
What certifications does the LS-S02-ZB hold?
The LS-S02-ZB is UL listed, CSA certified, and carries the CE marking, indicating compliance with relevant North American and European standards.
What is the rated operational current for the LS-S02-ZB?
The LS-S02-ZB has a rated operational current of 6A for AC-15 at 24V, 230V, and 240V, and 3A for DC-13 at 24V.
How can the actuator of the LS-S02-ZB be positioned?
The actuator of the LS-S02-ZB can be repositioned for horizontal or vertical mounting, and the operating heads can be manually rotated in 90° steps.
Does the LS-S02-ZB have a forced opening function?
Yes, the LS-S02-ZB includes a forced opening function, which is a safety feature ensuring that contacts open in the event of a fault.
