Edwards EST SIGA-WTM Waterflow Tamper Module
$110.00
The Edwards EST SIGA-WTM is an intelligent addressable waterflow/tamper module for Signature Series loops, providing two Class B inputs: a delayed-latching waterflow channel and a latching supervisory/tamper channel. It features electronic addressing, on-board status/alarm LEDs, low SLC current, and simple 1-gang mounting.
Key Specifications:
Type: Intelligent addressable waterflow/tamper module
Core Function(s): Monitors one waterflow switch with ~16 s retard (latching alarm) and one supervisory/tamper switch (latching active)
Loop/Protocol: Signature SLC
Power: 15.2 to 19.95 VDC from SLC; 396 μA standby, 680 μA active
Indicators/UI: Green status LED (polled), Red LED (active/alarm)
Notes: Uses two addresses; IDC limits 50 Ω total and 0.1 μF per circuit; does not support 2-wire smoke detectors
Compatible Modules & Accessories:
SIGA-MP1 – Signature module mounting plate, 1-gang footprint
SIGA-MP2 – Signature module mounting plate, 1/2 footprint
SIGA-MP2L – Signature module mounting plate, 1/2 extended footprint
SIGA-MB4 – Bracket for mounting two 1-gang modules in a 2-gang box
27193-11 – Red 1-gang surface box
27193-16 – White 1-gang surface box
MFC-A – Multifunction fire cabinet for Signature plates
System Compatibility:
Works with EST3, EST3X, and iO Series controllers via the Signature Loop Controller




