Siemens OP620 Distributed Intelligent Photoelectric Smoke Detector

1.Product Description of Siemens OP620

The Siemens OP620 Distributed Intelligent Photoelectric Smoke Detector is a smart device for early fire detection. People also call it the Siemens fire protection OP620, JTY-GD-OP620, or JTY-GD-OP620 Point Type Siemens OP620 Smoke Detector. This designer created this detector for use inside buildings.

The OP620 smoke detector is part of the Siemens Fire Protection system. It uses a photoelectric sensor to find smoke particles.

This helps detect fires early. The detector is extremely sensitive and reliable. It also reduces false alarms.

This photoelectric smoke detector can trigger alarms and fire-fighting linkages through controllers, ensuring rapid response and system integration. It also provides user information on panel installation, panel configuration, and programming, enhancing usability and operational efficiency.

2.Application Scenarios of Siemens OP620

The Siemens OP620 smoke sensing detector is suitable for critical applications such as:

Commercial buildings and office complexes

Industrial facilities and manufacturing areas

Data centers and server rooms

Public venues requiring early and reliable smoke detection

This temperature sensing fire detector is great for places where fires usually create visible smoke. It provides reliable detection.

3.Technical Specifications

l Model: Siemens OP620 / JTY-GD-OP620

l Type: Distributed Intelligent Photoelectric Smoke Detector

l Operating Voltage: DC16–28V

l Static Current: ≤200μA

l Normal Sensitivity: 3.2%/m

l High Sensitivity: 2.2%/m

l Electromagnetic Interference Resistance: 50V/m (1MHz–1GHz)

l Confirmation Light: 15mA (on for 32ms, off for 1s)

l Operating Temperature: -25°C to +60°C

l Storage Temperature: -30°C to +75°C

l Relative Humidity: ≤95% (40±2°C)

l Mounting Base: SO620

l Brand: Siemens Series 51 OP620 Smoke Detector (with base)

4.Features

l Distributed Intelligence: Built-in intelligent circuitry for accurate smoke recognition and communication with Siemens control panels.

l Self-Check Function: Automatically monitors and verifies its detection records and operating status.

l Photoelectric Detection Principle: Uses an infrared light-emitting diode; when smoke particles enter the chamber, light scattering occurs, detected by the infrared receiver.

l Advanced False Alarm Reduction: Sophisticated algorithms minimize nuisance activations caused by dust or environmental factors.

l Automation Integration: Fully compatible with Siemens fire protection systems and Automation Direct Optimate Operator Panel OP-620 for monitoring and control.

5.Installation and Maintenance

The detector is easily mounted on the SO620 base and connected to the control unit. The photoelectric sensor detects smoke by measuring the light scattered by smoke particles inside the detection chamber.

During regular maintenance, check for dust accumulation, corrosion, or mechanical damage. Follow the manufacturer’s instructions for cleaning, calibration, and component replacement. We recommend professional servicing annually to ensure optimum performance.

Compatibility of Siemens OP620

The Siemens OP620 smoke detector works well with Siemens fire alarm systems, Cerberus PRO panels, and other automation platforms.

It seamlessly integrates with panel configuration, installation, and programming tools, ensuring smooth setup and reliable system communication.

6.Maintenance

Professional maintenance ensures the continued safety and operational reliability of the Siemens fire protection OP620. Routine checks should include:

Verifying smoke detection and alarm communication

l Cleaning optical chambers and contact terminals

l Confirming correct wiring and system response

Annual inspection and testing are recommended to maintain compliance and functionality.

7.Environmental Impact

The designers created the Siemens OP620 with environmental sustainability in mind. All materials are halogen-free, recyclable, and compliant with global environmental standards. The product’s lifecycle—from production to disposal—minimizes ecological impact.

8.Certifications and Standards

The Siemens OP620 Photoelectric Smoke Detector complies with national and international standards, including:

l GB4715 – Technical Requirements and Test Methods for Point-Type Smoke Fire Detectors

l GB50116 – Fire Alarm System Design Standard

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