Edwards Signaling MPSR2-S45W-GE Manual StationMPSR Series manual pull stations from EDWARDS are noncoded fire alarm stations solidly constructed of die cast material. All components are pre painted or have plated surfaces to inhibit corrosion. Weatherproof manual stations are rated for outdoor use. Single and double action MPSR models are available with either single pole (normally open) or double pole (double throw) alarm contacts. Depending on the model, access to the unit for resetting