Pressure
- Maximum operating pressure: 300 psi.
- Adjustment range: 4 to 20 psi.
- Factory setting: operates at rising pressure of 4 to 8 psi.
- Differential: approximately 3 psi throughout range.
Alarm Pressure Switch
Safe Signal EPS10 Alarm Pressure Switch
EPS10-1 / EPS10-2 — 4–20 psi adjustable, 300 psi max, NEMA 4, ½" NPT
EPS10 Alarm Pressure Switch from Safe Signal detects and indicates sprinkler discharge in wet, dry, deluge and pre-action systems, with adjustable 4–20 psi alarm response and one or two SPDT switches.
Manufactured by
Safe Signal
Safe Signal EPS10 Alarm Pressure Switch
Review the confirmed product information, including description, features, benefits, and applications.
The EPS10 Series Alarm Pressure Switch from Safe Signal is designed for use in wet, dry, deluge and pre-action automatic sprinkler systems to detect and indicate water discharge from a sprinkler.
The EPS10-1 has a single SPDT switch and the EPS10-2 has two SPDT switches. Pressure sensitivity is field adjustable for an alarm response between 4 and 20 psi, factory set to respond at 4–8 psi, and the adjustment wheel does not affect switch synchronization on the EPS10-2.
Electrical
- EPS10-1: one set SPDT (Form C); EPS10-2: two sets SPDT (Form C).
- Contacts rated 10.0 A, ½ HP @ 125/250 VAC and 2.5 A @ 6/12/24 VDC.
- Two conduit entrances for wiring and installation.
Construction & Environment
- ½" NPT male glass reinforced nylon pressure connection.
- Reinforced diaphragm resists pressure spikes.
- Enclosure rated UL 4x, NEMA 4 for indoor or outdoor use.
- Operating temperature: –40°F to 160°F (–40°C to 71°C).
Adjustment
- Sensitivity adjustment wheel, no special tools required.
Early Indication
Early indication of sprinkler system discharge.
Tool-Free Adjustment
Field adjustment without special tools.
Durable Diaphragm
Pressure-resistant diaphragm for long service.
Flexible Wiring
Dual conduit entrances give flexible installation and wiring options.
EPS10 alarm pressure switches monitor and signal water discharge in automatic sprinkler systems.
Wet Pipe Systems
Connection to the alarm check valve of wet sprinkler systems.
Dry Pipe Systems
Connection to the intermediate chamber of dry pipe valves.
Deluge & Pre-Action
Connection to deluge and pre-action valves.
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