 |
|||
|
|
|||
| ||||||||||
|
|  MIL-S-1123E
*
3.3.1 Certification.- Prior to approval of the first article, or if none
is submitted, prior to approval of the first shipment, the supplier shall
submit satisfactory evidence to the contracting officer or his authorized
representative that the electrical components he proposes to furnish under
this specification meet the requirements of UL standards, as applicable.
*
3.3.1.1 UL and NFPA.- Acceptable evidence of meeting the applicable
requirements of specified UL standards shall be the UL label or a photo-
static copy of the UL listing card for the components being offered or a
certified test report from a recognized independent testing laboratory
acceptable to the Government, indicating that the electrical materials
and components offered have been tested and conform to applicable UL
standards. Acceptable evidence of meeting the requirements of NFPA
Standard No. 70-1965 shall be the manufacturer's certified statement
that the installation of electrical components conform to applicable
requirements.
*
3.4 Materials and components.- Materials and components shall conform
to the applicable referenced specifications, standards, and requirements
specified hereinafter. When materials are not definitely specified, they
shall be of the type and quality used by the manufacturer in his standard
commercial product.
3.4.1 Electrical equipment.- The machines shall be furnished complete
with motors, driving mechanism, manual starters, heaters and all other
components, as applicable, required to complete the assembly and meet the
test in 4.5.1. Unless otherwise specified (see 6.2) types I and II,
electrically operated machines, shall be suitable for operation on a
3 phase, 4 wire, 120/208 volt, 60 cycle, alternating current (a.c.) power
source. When an electrically operated type V machine is specified (see
6.2), it shall be suitable for operation on a single phase, 115 volt,
60 cycle, a.c. power source.
3.4.1.1 Motors.- Motors shall conform to CC-M-636, Motor inclosure
*
shall be either drip proof or splash proof. They shall be continuous duty
in 40 Centigrade (C,) ambient without exceeding 40 C. allowable temperature
rise. All motors shall conform to class A insulation requirements. The
speed shall be constant speed type. Windings for a.c. motors shall be
squirrel cage for 3-phase supply and squirrel cage split phase or capacitor
for single phase supply, Winding for d.c. motors shall be shunt.
3.4.1.1.1 Horsepower.- Rated horsepower shall be the same as motors
furnished by the supplier in his regular commercial machine.
3.4.1.2 Motor starters.- Motor starters shall be across-the-line heavy-
duty type, with push button or toggle switch, to completely make or break all
electrical connections to the motor. When the machine motor is not equipped
with overload protection, the starters shall be furnished with a built-in
overload protective device. The starter inclosure shall be metal and shall
conform to a commerical type I inclosure.
4
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals