ABB SBH11 Auxiliary Switch

Description

ABB SBH11 Auxiliary Switch

The ABB SBH11 is a high-performance, compact Single-Beam Safety Light Curtain (often categorized within the safety sensor or photoelectric sensor families). It is designed to provide reliable intrusion detection in industrial environments where space is limited but safety standards remain non-negotiable.

Here is a detailed breakdown of the product in English.

1. Product Description

The SBH11 serves as a safety “tripwire.” It consists of a dedicated transmitter and receiver pair that creates a single infrared protective beam. When the beam is interrupted, the device sends a signal to the machine’s safety control system to stop hazardous movements. Its M18 cylindrical housing makes it incredibly easy to integrate into standard mounting holes.

2. Technical Parameters

While specific sub-variants may exist, the standard specifications for the SBH11 series typically include:

3. Key Advantages

• Compact Form Factor: The M18 threaded body allows for “drill and mount” installation in tight spaces where bulky light grids won’t fit.

• High Alignment Tolerance: Designed with a wide aperture angle to simplify the alignment process between the transmitter and receiver.

• Robust Durability: With an IP67 rating and a rugged metal or high-grade plastic shell, it thrives in harsh wash-down or dusty environments.

• Plug-and-Play: Uses standard M12 connectors, reducing wiring errors and downtime during maintenance.

4. Important Considerations (Precautions)

To ensure the safety of your personnel and the longevity of the device, keep the following in mind:

• Controller Dependency: The SBH11 is often a “Type 4” component but usually requires an external Safety Relay (like the ABB RT9) or a Safety PLC to achieve full functional safety.

• Optical Interference: Avoid placing highly reflective surfaces (like stainless steel or mirrors) too close to the beam path, as they can cause “short-circuiting” of the light beam.

• Mutual Interference: If installing multiple SBH11 units near each other, alternate the transmitter and receiver positions to prevent one set from “seeing” the light from another set.

• Regular Testing: Safety sensors must be functionally tested at defined intervals to ensure the stop circuit is still operational.

5. Product Applications

The SBH11 is versatile and commonly found in the following scenarios:

• Access Control: Guarding small openings or “finger-traps” in automated machinery.

• Palletizing Areas: Detecting the entry of personnel into a robotic cell.

• Conveyor Systems: Monitoring the perimeter of a sorting line.

• Assembly Lines: Providing a secondary layer of protection alongside physical fencing.

Pro-Tip for your setup:

Are you planning to integrate this with an ABB Pluto Safety PLC or a standard RT series safety relay? Knowing your control architecture can help in selecting the correct cable lengths and OSSD (Output Signal Switching Device) configurations.

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