6 power-limited wiring requirements – Fire-Lite MS-2410BC Conventional Control Panel User Manual

Page 25

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Document #50801 Rev. C 12/14/01 P/N 50801:C

25

Power-limited Wiring Requirements

Standard Relays

The control panel provides three Form-C relays rated for 2.0 amps @ 30 VDC (resistive) and 2.0 amps @ 30 VAC
(resistive).

2.6

Power-limited Wiring Requirements

Power-limited and nonpower-limited circuit wiring must remain separated in the cabinet. All power-limited circuit
wiring must remain at least 0.25" (6.35 mm) away from any nonpower-limited circuit wiring. Furthermore, all
power-limited and nonpower-limited circuit wiring must enter and exit the cabinet through different knockouts and/or
conduits. A typical wiring diagram for the MS-2410BC is illustrated in Figure 2-9.

FIGURE 2-8:

Relay Terminals

Relay connections may be power-limited or nonpower-limited, provided that a minimum of
0.25" is maintained between conductors of power-limited and nonpower-limited circuits.

Relay contacts shown with no power applied to panel

Relay contacts shown with power applied to panel and

no active troubles, alarms or supervisories

C NC NO C NC NO C NC NO

C NC NO C NC NO C NC NO

FIGURE 2-9:

Typical Wiring Diagram for Power-limited Requirements

Power-limited Circuits

Nonpower-limited

Circuit

Power-limited Circuits

AC Power

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