Power Transfer Load Center, PTLC | ASCO Series 185 | Emerson


ASCO Series 185L Power Transfer Load Center

Emerson Network Power > CALA > Products > By Type > Power Switching and Controls > Power Transfer Switches > ASCO Series 185L Power Transfer Load Center
The ASCO 185L Power Transfer Load Center is a completely integrated package which incorporates the Series 185 Automatic Transfer Switch with microprocessor controller. A Square D load distribution panelboard with utility and generator disconnect breakers. And optional transient voltage surge suppression for protection of load circuits.

The ASCO Series 185L provides the intelligence and protection your generator needs in one complete package to insure automatic or manual transfer and continuous power when the utility fails.

Available with a 200 amp rating, 120/240 VAC 60Hz single phase, 3 wire.
FeaturesProduct Features

  • Dual compartment design isolates the load center from the automatic transfer switch providing additional safety benefits when new circuits are added.
  • Two separate doors reduce the door opening radius and provide added security against tampering
  • Low profile design allows the load center to be mounted at eye level for convenience of operation, and ease of maintenance.
  • This design permits mounting high above ground level to avoid interference from ground water flooding.
  • Convenient terminals to connect neutral and ground conductors from service and load feeders
  • Service Entrance Rated Residential Load Center is listed to UL 67
  • Automatic Transfer Switch Rated 200 Amperes is listed to UL 1008 for optional standby systems.
  • True double – throw contacts eliminate simultaneous connection to utility and generator.
  • Test switch with time delay override option
  • Convenient terminals to connect neutral and ground conductors from service and load feeders.
  • Generator exerciser timer
  • Pre – wired and factory tested for easy installation
  • Space saving modular design provides easy access and one – source service responsibility
  • Available in Type 1 indoor (steel) enclosure
  • Square D (42) Circuit OQ Load Center
  • Square D Utility and Generator Breakers
OptionsOptional Accessories

KitAccessory Description
K373314Auxiliary Switch Position Contact Kit 14A/14B, 100-230A
(Note: 14A/14B Contacts are included on 400A products)
K732212-003Strip Heater Kit For Type 3R Series 185 Enclosures, 100 Watt, For Use In Condensing Humidity Environments
K871966-002Single Remote Annunciator With Connectivity Module Package 72R (Annunciator mounts flush or surface on standard 4" electrical wall box)

SQ D Surge Breaker Secondary Surge Arrestor1.  
Plug on design requires two pole spaces
LED indicates operational status. Available as a plug - in - kit only for customer installation.

1Surge protection devices will protect against electrical power surges caused by lighting or the electric utility for “major household appliances”, but not sensitive electronic equipment.  Electronic equipment may need additional protection by installing plug – in – TVSS devices at the point of use.
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Our comprehensive service portfolio extends beyond routine maintenance to include solution upgrades and technology training that ensure you get the most from your emergency power systems.

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