Simplex 742-351

Simplex 742-351Simplex 742 351 is a Power Distribution Interface (PDI) board used in 4100U and 4100ES fire alarm panels. It distributes power and data between the main bay and expansion bays, ensuring internal system communication and module operation. DataSheet 4100U PDI PCA Replacement Instructions

This model is a conventional heat detector with a fixed temperature of 135°F (57°C) and rate-of-rise capability

Group F and G

Portable handsets plug into one-gang receptacles

Allows easy connection between devices and helps transfer data quickly with accuracy

Any wireless device can be added to act as a repeater

The Bosch D9127U POPIT Module (without tamper switch) provides point identification of initiating devices

The Outdoor Commander Series is equipped with a standard 4” mounting plate which incorporates the Super-Slide® feature that allows the installer to easily test for supervision

The universal room side wiring plate allows for pre-installation and electrical wiring

Data Sheet: DAA2-5070

while optional FIRE or ALERT markings and colored lenses make them ideal for either emergency communications / mass notification (ECS/MNS) or fire alarm applications

Spectralert Advance System Sensor LENS-R Red Lens used for any Indoor or Outdoor Wall Mount Strobes

The photo sensor (P/N 63-1052/63-1058) provides peer-to-peer digital protocol for reliable