PW-1 Power Watch Module
12vdc/24vdc Battery Supervision Module
Life Time Warranty

PW-1 Features:
By simply plugging the PW-1 in line with the battery
connectors adds the following features:
* Form "C" contacts that indicate:
   AC Power Fail
   Low Battery (70% capacity)
   Battery Over Charged
* Greed LED ON Indicates Normal Power
* Battery Cut off Relay removes load from battery
   when depleted to prevent deep discharge.
* Selectable 12vdc or 24vdc Lead Acid Battery(s)
* Precision voltage reference provides accurate
   trip points.
* Reverse Polarity Protected
* Quality Manufactured in the USA

Description
The PW-1 adds battery supervision to almost any control panel or battery charging circuit that uses sealed or wet 12v or 24v lead acid battery(s). The PW-1 monitors the battery voltage to alarm if the voltage is low or high. The PW-1 also switches the battery off line when battery voltage reaches is service limit.
Instructions
1. Mount the PW-1 near the stand by battery(s) with stand offs, or on the battery with the pre-attached double-sided tape.
2. Be sure voltage jumper on the PW-1 is set match your 12v or 24v charging system.
3. Remove slip on connectors from battery(s) and push on PW-1 module. Observe polarity.
4. Attached provided battery cable on the PW-1 to the battery(s).
5. Connect trouble contacts to annunciate trouble. "NO" is normally open when power is normal. "C" is common. "NC" is Normally Closed when power is normal.

Specifications
Ambient Operating Temperature Range -30oF to 130oF
Storage Temperature -60oF to 190oF
Battery Cutoff Voltage 12v/24v 9.8vdc/19.6vdc
Battery Relay contacts - load and charge max 20A
Battery Cutoff Relay is normally energized for fail-safe operation
Power Trouble, low battery - AC fail 12v/24v 12.1vdc/24.2vdc
Power Trouble, high voltage 12v/24v 14.0vdc/28.0vdc
Trouble Contacts form C 2A/120vac/1A 240vac resistive
3p Terminal block marked "NO C NC Trouble"
Trouble Contacts markings NO, C, and NC are shown Normal, no alarm condition. Relay is normally energized for fail-safe operation.
Power Trouble LED Indicator On Green Normal
Current Draw power on both relay energized 45ma
Overall Size Module 2.42H" x 2.36"W x 1"D
Mounting Holes Center to Center (4 holes) 2.06"H x 2.00"W
Specifications are subject to Change without notice.

WARRANTY
Electronic Security Devices warrants to the original purchaser, that all products shall be free from defects in material or workmanship at time of shipment. Our obligation under this warranty is limited to repairing or replacing any of our products, providing said products are used within the specified ratings and applied in accordance with good engineering practice, and providing said products are proved by our examination to be defective and returned to us transportation prepaid. In no event shall Electronic Security Devices be liable for incidental, consequential or collateral damages. This warranty does not extend to any of our product's that have been subject to misuse, neglect, accident, improper application or installation, nor shall it extend to material, which has been altered or repaired outside of our factory. This warranty is in lieu of all other warranties expressed or implied. Batteries are not covered under this warranty.

PW-Technical Sales Sheet

ESD
Electronic Security Devices
6111 Southfront Road, Suite J
Livermore, CA 94550
Phone: (925) 243-8990 Fax: (925) 243-8999
ESD@SecurityPower.com www.SecurityPower.com

08/08 (c) Technical Literature jdb PW-1 specifications subject to change (more)

End PW-1 Power Watch-1 Technical Sales Bulletin

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