Brochures and Data Sheets

series 300L Power Transfer Load Center
14
• Conventional double throw
transfer switch conguration
• Automatic Transfer Switch is listed
to UL1008, the standard for Trans-
fer Switch Equipment, and meets
NFPA 110 for Emergency and
Standby Power Systems and
the National Electrical Code (NEC)
Articles 700, 701, and 702.
Also certied to CSA 22.2
No. 178
• Rated up to 240VAC, 200, or 400
amps
• Available in Type 1 indoor, or Type
3R secure aluminum
outdoor enclosure
• Reliable and eld proven single
solenoid operating mechanism
• Programmable microprocessor
controller with ush mounted
control and display panel
• LED indicators for switch
position and source availability
200A Mains: 22kA at 240vac (Main circuit breaker (Normal &
Emergency) Square D circuit breakers rated 2/3 pole, 200A)
Note: If a generator input receptacle is supplied for a portable
generator then the ratings are as follows:
Normal Source – 22kA at 240 vac
(Utility Main Disconnect circuit breaker)
Emergency Source #2 (Permanent Generator
Input circuit breaker) – 10kA at 240vac
Emergency Source -#1 (Portable Generator
Input circuit breaker) – 5kA at 240vac
400A Mains: 42kA at 240vac. (Main circuit breaker (Normal &
Emergency) Square D circuit breakers rated 2/3 pole, 400A)
Panelboard: Square D 225/400A series rated 42 circuit panelboard
single/three phase with 100% rated neutral, accepts bolt – on or
plug – in branch devices.
• Engine exerciser for weekly auto-
matic testing of engine generator
set with or without load
• Two auxiliary contacts, one con-
tact closed when switch is in
normal position and one contact
closed when switch is in emer-
gency position
• Suitable as service entrance
equipment, includes main circuit
breaker overcurrent protection on
the normal source, and circuit
breaker disconnect device on
emergency
• Includes a UL 67 Listed 42 position
Square - D panelboard load center
• Local/remote communications
capability for interfacing
with ASCO POWERQUEST
®
communication products
Short Circuit Ratings
ASCO 300L Automatic Power Transfer Load Center shown with
optional quick connect Cam - Loc assembly and bottom Telco
cabinet section (in type 3R secure aluminum enclosure)