Hochiki SLR-835H Photoelectric Smoke Detector with Relay Enclosure
Discover the Hochiki SLR-835H, a complete 24VDC photoelectric smoke detector assembly with an integrated relay and metal enclosure. Ideal for reliable fire detection and auxiliary control in commercial fire alarm systems.
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Hochiki SLR-835H Photoelectric Smoke Detector with Relay Enclosure
The Hochiki SLR-835H is a comprehensive photoelectric smoke detector assembly designed for reliable performance in commercial and industrial fire alarm systems. This unit includes the high-performance SLR-835 detector head, a standard mounting base, and a durable metal enclosure that houses a control/relay board. The integrated Form C relay provides auxiliary control for functions such as elevator recall, door release, or system monitoring. Operating on 24 VDC, its advanced photoelectric sensing chamber is engineered for a wide range of combustion particles, minimizing nuisance alarms while ensuring rapid and accurate detection of fire threats.
Technical Specifications:
- Model: SLR-835H
- Operating Voltage: 17.7 – 30.0 VDC
- Detection Type: Photoelectric
- Standby Current: 45 µA @ 24 VDC
- Alarm Current: 150 mA max @ 24 VDC
- Relay Contacts: Form C; Rated 1.0A @ 30 VDC / 0.5A @ 125 VAC
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Listings: UL, ULC, CSFM

| Brand | Hochiki |
|---|---|
| Model | SLR-835H |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
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Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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