Alpha Technologies PWE-SG Series - Manual (Page 11)

11 033-090-C0-001, Rev. A
1.0 Introduction, continued
1.4 Optional Features
Options are either factory installed or can be easily installed in the field.
Battery Heater Mat
The battery heater mat is an AC line operated 150W heater mat which turns on at 40°F to
increase battery capacity in cold environments. Battery mats are available in 120VAC and
240VAC versions.
Tamper Switch (NC/NO)
The Tamper Switch provides a magnetic door switch that plugs into the USM option for XM
power supplies and USM2 for XM Series 2 power supplies. Most status monitoring systems
provide an alarm if the enclosure door is opened. Tamper Switches are available either as
normally open (NO) or normally closed (NC).
Gemlock Kit
Additional security option for the enclosure.
Sliding Battery Trays
There are two types of sliding battery trays available:
Standard slide tray for weights no greater than 300 lbs. See Fig. 1-2 for operation •
instructions.
Heavy duty slide tray for weights greater than 300 lbs and less than 420 lbs.
•
As an added safety precaution, the PWE-SG series battery drawer latch holds the battery tray
securely in place in both closed and open positions. The latch automatically locks in place
when the tray is returned to the enclosure.
Battery Cable Kits
A variety of cable kits are available to fit your specific application. See Table 1-2 for a
complete list of available kits.
Two Point Mounting Bracket
An optional two point mounting bracket is available to replace the two single galvanized pole
mounting brackets. There is an 8 inch extension bracket also available.
Battery Retaining Bar
The Battery Retaining Bar secures the batteries within the enclosure.
NOTE:
A detailed list of all options, including their Alpha part numbers are listed in Table 1-2, Enclosure
Specifications.