Apollo Series 65 End-of-Line Relay Base 24V (Part No. 45681-248APO)

The Apollo Series 65 End-of-Line Relay Base 24V (45681-248APO) provides reliable end-of-line monitoring for four-wire fire detection circuits. Incorporating two sets of changeover contacts and a power supervision relay, the base helps monitor circuit integrity while supporting the control of ancillary equipment within fire and security installations.

The 45681-248APO continuously supervises the power supply and associated detection circuit, helping maintain system reliability and providing clear fault monitoring. Its versatile relay configuration makes it suitable for applications that require dependable end-of-line supervision and status monitoring.

As part of the Apollo Series 65 range, the base combines straightforward installation with proven reliability. Installers can quickly wire and fit the base, while the one-way detector fit ensures correct detector orientation and the detector locking mechanism helps prevent unauthorised removal.

Key Features

• End-of-line relay base
• Designed for four-wire circuits
• Two sets of changeover contacts
• Integrated power supervision relay
• Detector locking mechanism
• One-way detector fit
• Easy wiring connections
• Integral earth connector
• Wide operating voltage range
• Wide operating temperature range
• Wide storage temperature range

Typical Applications

The Apollo 45681-248APO is suitable for:

• Conventional fire alarm systems
• Security systems
• Commercial buildings
• Offices
• Educational facilities
• Healthcare environments
• Industrial premises
• Retail buildings
• Applications requiring end-of-line supervision