Technical Specifications

ASCO Power Technologies, Florham Park, New Jersey 07932. 800-800-ASCO
www.EmersonNetworkPower.com/ASCO
8-2014 4 Publication 3279
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All wiring to hinged doors shall be run through door terminal blocks or connection
plugs except ground, CT and applicable communication wires. Terminal blocks shall
be provided for all external connections and placed in an accessible area.
4. Nameplates. Permanent self-adhesive labels, having black letters on white
background, shall identify major components.
5. Lugs. Lugs, if specified and supplied, shall be mechanical per size, conductor type
and quantity per conductor as shown in drawings. Lug hole patterns shall be
provided on supplier drawings for customer to evaluate compatibility of customer-
supplied lugs.
B. Switching Mechanism
For paralleling sources, the switching mechanism shall comprise an air insulated,
mechanically held, electrically operable switch comprising serviceable main and arcing
contacts, wherein fixed main contacts per phase shall be segmented and articulating for
improved contact with the movable solid main contacts; solenoid actuator; arcing contacts
that are first make and first break; and a serviceable arc chute for dissipating load breaks.
The switching mechanism shall be mounted on a vertically disposed supporting panel and
front accessible for inspection, maintenance and service. The switching mechanism shall be
capable of repeatedly interrupting more than six (6) times it rated current at a power factor
between 0.40 and 0.50. It shall also be capable of closing on a minimum fault current of
50KA.
1.9 Acceptable Manufacturer
The equipment described shall be manufactured by ASCO Power Technologies. Any alternates
to this bid shall only be considered if a complete written description of the proposed system along
with any variances with the specification, are received ten (10) days prior to bid due date. Any
variances not specifically enumerated prior to bidding shall be considered non-responsive. Costs
incurred to modify the building and/or interfacing equipment which are affected as a result of an
alternate shall be the responsibility of the contractor.
PART 2 SECTIONS
2.1 Power and Control
A. Design