This product has been replaced by

System Sensor 5251RB

Rate-of-Rise Thermal Detector

Manufacturer Part #: 5251RB

System Sensor 5251RB

$86.67

Rate-of-Rise Thermal Detector

Availability: In Stock

Condition: New

Brand: System Sensor

Status: Discontinued

SKU: 16652

Manufacturer Part #: 5251RB

Replacement: 5351RB

Description

Models 5251B, 5251RB, and 5251H are intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast response. These sensors are designed to provide open area protection with 50-foot spacing capability as approved by UL 521. Model 5251B is a fixed-temperature sensor with a 135°F fixed temperature alarm. Model 5251RB is a rate-of-rise temperature sensor with a 135°F fixed temperature alarm. Model 5251H is a high-temperature sensor with a 190°F fixed temperature alarm.

Two LEDs on each sensor light to provide 360° visibility of the sensor indication. The LEDs can be latched ON by code command from the panel for an alarm indication. The LEDs can also be unlatched to the normal condition by code command. Remote LED annunciator capability is available as an optional accessory (Part No. RA400Z/RA100Z).

Documents

Description

Models 5251B, 5251RB, and 5251H are intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast response. These sensors are designed to provide open area protection with 50-foot spacing capability as approved by UL 521. Model 5251B is a fixed-temperature sensor with a 135°F fixed temperature alarm. Model 5251RB is a rate-of-rise temperature sensor with a 135°F fixed temperature alarm. Model 5251H is a high-temperature sensor with a 190°F fixed temperature alarm.

Two LEDs on each sensor light to provide 360° visibility of the sensor indication. The LEDs can be latched ON by code command from the panel for an alarm indication. The LEDs can also be unlatched to the normal condition by code command. Remote LED annunciator capability is available as an optional accessory (Part No. RA400Z/RA100Z).

Additional information

Weight	0.2 lbs
Programming	Rotary Dials
Series	200 Series
Condition	New
Detection Method	Rate-of-Rise
Brand	System Sensor
Production Status	Discontinued

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200 Series: Intelligent Low-Profile Plug-In Detectors

System Sensor - Data Sheet

5251B, 5251RB, 5251H Intelligent Plug-in Temperature Sensors

System Sensor - Installation Manual

Attributes

Weight	0.2 lbs
Programming	Rotary Dials
Series	200 Series
Condition	New
Detection Method	Rate-of-Rise
Brand	System Sensor
Production Status	Discontinued

Product Features

Sleek, low-profile design
Analog communications
Low standby current
Rotary address switches
Superior EMI protection
Dual LEDs for 360° visibility

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/

Testimonials

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