Johnson Controls 4683-TTM-1F Repeater 318518-761 Dual DPDT Relays: Provides two

Dual DPDT Relays: Provides two independent Form C contacts for triggering multi-stage ventilation or local alarm indicators

making it a staple for veteran technicians managing critical limit control systems

The LA22ZA118 is built with heavy-duty galvanized steel blades

Key Benefits: Precision Flow Control: Engineered for tight seating to prevent bypass and ensure accurate refrigerant management

minimizing pump head requirements

Johnson Controls 4683-TTM-1F Repeater 318518-761 Dual DPDT Relays: Provides twoThe Johnson Controls 4683 TTM 1F Repeater is a critical component for maintaining signal integrity across extensive N2 Trunk networks. Engineered to operate on 115V AC, this RS 485 network repeater effectively doubles the maximum allowable distance for communication, allowing signals to travel an additional 4,000 feet. It is designed to overcome physical segment limitations by enabling the addition of up to 32 additional unit loads per MS TP bus