Trade Discount 25%
Request-To-Exit PIR Sensor Adjustable Sensitivity and Timer Ness
Ness request-to-exit PIR sensor features adjustable sensitivity and timer in a compact design. Ideal for access control door exit.
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Alternatively Known As: REX PIR Sensor, Request-to-Exit Motion Sensor, Door Exit PIR, Access Control PIR Sensor
Technical Specifications
- Model: PS-520E
- Detection System: Passive infrared
- Supply Voltage: 12–24 V AC/DC
- Current Consumption: 40 mA maximum DC; 70 mA maximum AC
- Detection Pattern: Selectable single-door or double-door coverage
- Mounting Height: Up to 4 m
- Relay Output: Two dry-contact 2C relays
- Contact Rating: 30 VDC at 1 A maximum or 24 VAC at 0.6 A maximum
- Relay Operation: Selectable fail-safe or fail-secure
- Relay Hold Time: Adjustable approximately 0.25–60 seconds
- Adjustment: Adjustable sensitivity and detection angle
- Operating Temperature: -10°C to +50°C, non-condensing
- Mounting: Indoor wall, ceiling, door frame or under-frame mounting
- Construction: ABS resin cover with PE resin detection window
- Colour: White
- Dimensions (H x L x W): 160mm x 146mm x 60mm
- Weight: 0.17 kg
Key Features
- Passive infrared detection for request-to-exit applications
- Adjustable sensitivity for site-specific detection performance
- Selectable single-door or double-door detection pattern
- Adjustable relay timer from approximately 0.25 to 60 seconds
- Two relay outputs for door strikes, magnetic locks and access control interfaces
- Selectable fail-safe or fail-secure relay operation
- Dual pyro design for improved stability against external light
- High immunity to radio-frequency and electrical noise
- Suitable for wall or overhead mounting
- Compact indoor design
Professional Installation Requirements
- Installation should be performed by a qualified security or access-control technician. Connect only to a suitable 12–24 V AC/DC supply and configure relay operation, detection pattern and timer during commissioning. Follow the access-control system manufacturer's installation instructions and applicable Australian requirements.
Applications
- Access control door exit systems
- Electric strike release
- Magnetic lock release
- Alarm system shunting
- Automatic door operation
- Commercial and residential secured entrances
Standards & Compliance
- AS/NZS IEC 60839.11.2:2019 – applicable installation and operation guidance for electronic access control systems; product-specific Australian certification is not stated
- AS/NZS IEC 60839.11.1:2019 – relevant system and component requirements for electronic access control installations, although the standard scope excludes specific access-point sensors
Environmental Benefits
- Low-voltage 12–24 V AC/DC operation supports efficient integration with access-control power systems
- Activates door-release equipment only when movement is detected, helping avoid unnecessary operation
- Durable polymer housing can support extended service life and reduce replacement waste
Warranty Information
Ness Corporation's published warranty policy lists 3 years from the date of purchase for Ness-manufactured or supplied products, unless otherwise specified. Confirm whether Takex-specific warranty terms apply to this model.
Available Now
Available through Ness Corporation and authorised Australian security and electrical distributors, subject to distributor stock.
