System Sensor B114LP Series Relay Base 4-Wire

System Sensor B114LP 100 Series Relay Base, 4-Wire, 120VAC, Form A, Form C and Supervisory

The System Sensor B114LP is a 4-wire relay detector base designed for use with compatible System Sensor 100 Series plug-in smoke detectors. Operating on 120VAC, it features Form A, Form C, and supervisory relay contacts, making it an ideal solution for applications requiring detector monitoring, auxiliary control, and supervisory signaling.

The B114LP combines detector mounting, relay functionality, and supervision into a single low-profile base, simplifying installation while reducing the need for additional control hardware. Its rugged construction, plug-in detector design, and compatibility with a variety of electrical box configurations make it suitable for commercial, industrial, and institutional fire alarm systems.

Key Features

• 4-wire relay detector base

• Designed for compatible System Sensor 100 Series smoke detectors

• 120VAC operation

• Form A alarm relay contacts

• Form C relay contacts

• Form A supervisory relay

• Plug-in detector installation

• Low-profile design

• Supports remote annunciator compatibility

• Compatible with multiple electrical box configurations

• Durable construction for commercial applications

• Genuine System Sensor accessory

Applications

The System Sensor B114LP is ideal for:

• Commercial buildings

• Office buildings

• Schools and universities

• Hospitals and healthcare facilities

• Industrial facilities

• Warehouses

• Mechanical equipment monitoring

• HVAC control applications

• Building automation systems

• Conventional 4-wire fire alarm systems

Specifications

• Manufacturer: System Sensor

• Model: B114LP

• Product Series: 100 Series

• Product Type: Relay Detector Base

• Wiring: 4-wire

• Operating Voltage: 120VAC, 60 Hz

• Relay Contacts: Form A, Form C, and Form A Supervisory

• Alarm Relay Rating:

  • Form A: 2.0A @ 30VAC/DC

  • Form C: 2.0A @ 30VAC/DC, 1.0A @ 125VAC

• Base Diameter: 6.2 inches (157 mm)

• Base Height: 0.95 inches (24 mm)

• Operating Temperature: 32°F to 120°F (0°C to 49°C)

• Operating Humidity: 10% to 93% RH, non-condensing

• Mounting Compatibility: 4-inch square and 4-inch octagon electrical boxes

• Compatible Detectors: System Sensor 100 Series plug-in smoke detectors

Why Choose the System Sensor B114LP?

The System Sensor B114LP is an excellent choice for fire alarm installations requiring integrated relay and supervisory functions. Its 120VAC operation, multiple relay outputs, and compatibility with System Sensor 100 Series detectors provide a reliable, space-saving solution for fire detection, equipment control, and system monitoring. The plug-in detector design also simplifies installation and maintenance, helping reduce labor time while ensuring dependable long-term performance.