Siemens OH921

$55.37

Addressable Multi-Criteria Fire Detector

Availability: Please Call for Availability

Condition: New

Brand: Siemens

Status: Active

SKU: 49125

Manufacturer Part #: OH921

Secondary Part #: S54320-F6-A2

Description

The Photoelectric | Thermal (Heat) Detector (Model OH921) is an intelligent, addressable multi-criteria detector that incorporates optical and thermal sensors, and uses signals in a neural network to create an intelligent multi-criteria detector. The encompassing result is a detector that provides enhanced detection to a wide range of products of combustion.

Model OH921 is UL 268 7th Ed. listed and incorporates advanced built-in isolation (optionally configurable), which greatly improves reliability, circuit integrity and provides advanced addressable fault finding.

Documents

Description

The Photoelectric | Thermal (Heat) Detector (Model OH921) is an intelligent, addressable multi-criteria detector that incorporates optical and thermal sensors, and uses signals in a neural network to create an intelligent multi-criteria detector. The encompassing result is a detector that provides enhanced detection to a wide range of products of combustion.

Model OH921 is UL 268 7th Ed. listed and incorporates advanced built-in isolation (optionally configurable), which greatly improves reliability, circuit integrity and provides advanced addressable fault finding.

Additional information

Weight	0.32 lbs
Dimensions	2.00 × 4.50 × 4.50 in
Manufacturer	Siemens Industry, Inc.
Brand	Siemens
Condition	New
Unit of Measurement	EA (Each)
Programming	Electronic
Detection Method	Fixed Temperature, Photoelectric, Programmable, Rate-of-Rise
Thermal Rating	135°F
Production Status	Active

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Model OH921 Multi-Criteria Fire Detector

Siemens - Data Sheet

Attributes

Weight	0.32 lbs
Dimensions	2.00 × 4.50 × 4.50 in
Manufacturer	Siemens Industry, Inc.
Brand	Siemens
Condition	New
Unit of Measurement	EA (Each)
Programming	Electronic
Detection Method	Fixed Temperature, Photoelectric, Programmable, Rate-of-Rise
Thermal Rating	135°F
Production Status	Active

Product Features

UL 268 7th Edition Listed
Built-in isolation (optional configurable)
Each detector is self-testing:
- complete diagnostics performed every 10 seconds
- self-monitored for sensitivity within UL Listed limits
Listed, approved as a heat detector:
- Rate-of-Rise Detection: 15°F / min. (8.3°C / min.)
- Fixed: 135°F (57°C)
Superior electromagnetic interference (EMI) and radio-frequency interference (RFI) immunity
Field programmable as rate-of-rise or fixed temperature, per ‘Alarm Source 2’ | Standard parameter
Tri-color detector-status light-emitting diode (LED) with 360° view
Compatible with Model 8720 | DPU (device programmer / loop tester)
Polarity insensitive via SureWire technology (in non-isolator mode)
Functions with Model DB-11–series mounting bases
Restriction of Hazardous Substances (RoHS compliant)
Automatic environment compensation
UL Listed | FM, CSFM Approved
- UL 268: `Open Area Smoke Detection’
- UL 268A (Duct) – `Direct-in-Duct’ use
- UL 521: `Open Area Heat Detection’
- ULC-S531: `Open Area Smoke Detection’
- ULC-S539: `Open Area Heat Detection’
- FM 3230: `Open Area Smoke Detection’
- FM 3210: `Open Area Heat Detection’
- CSFM | File: 7272-0067:0258

What's Included

Shipping Details

Pricing & Lead Times are based on details provided directly by the manufacturer, our network of distributors and based on historical lead times on any given product. This is the most up-to-date information we have currently. All orders are subject to 1 – 5 days of processing as the units must go through our product verification process at our main Shipping Hub in New York prior to being shipped out to you. Depending on your circumstances, we can expedite this processing time for additional costs, but orders cannot be expedited unless they are currently in stock. PLEASE NOTE: Any and all pricing and availability are subject to change without notice being given to the client.

Return Details

Equipment must be returned within (30) days of the date it was shipped, or made ready for pickup. In order to initiate a return, you must contact our sales team via email at [email protected] to receive an RMA # if it meets all criteria. Products returned after (30) days from our shipment date will be refused. After RMA acceptance, any parts that are returned to FireAlarm.com are subject to a minimum 25% restocking fee. New parts must be returned with original packaging, in un-opened, and uninstalled condition. If not, these parts may be subject to increased restocking fees or refusal. Depending on the circumstances of your order, and if you are a long-time customer of FireAlarm.com, other arrangements can be made. See our complete return policy for more information at: https://firealarm.com/faq/

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