Cooper Bussmann EMN IF677 - Manual (Page 2)

All statements, technical information and recommendations contained herein are based on information and tests we believe to be
reliable. The accuracy or completeness thereof are not guaranteed. In accordance with Crouse-Hinds "Terms and Conditions of Sale",
and since conditions of use are outside our control, the purchaser should determine the suitability of the product for the intended use
and assumes all risk and liability whatsoever in connection therewith.
Cooper Industries Inc. IF 677
Crouse-Hinds Division Revision 2
PO Box 4999, Syracuse, New York 13221 • U.S.A. Revised 03/03
Copyright© 2003, Cooper Industries, Inc. Supercedes 04/02
6. Test for wiring correctness with continuity checks and also
for unwanted grounds with insulation resistance tester.
7. Place starter handle in OFF position making sure that the
internal mechanism of the cover will properly engage the
starter.
8. Install cover. Securely tighten all cover bolts making certain
that no cover bolts are omitted. Use only bolts supplied with
the enclosure.
9. Pour sealing compound into sealing fittings in accordance
with the instructions supplied with each of the approved
fittings and sealing compound package labels.
MAINTENANCE
1. Frequent inspection should be made. A schedule for main-
tenance check should be determined by the envi-
ronment and frequency of use. It is recommended that it
should be at least once a year.
2. If necessary to open enclosure for inspection or service,
always disconnect primary power source before opening
enclosure.
3. Perform visual, electrical, and mechanical checks on all
components on a regular basis.
•
Visually check for undue heating evidenced by
discoloration of wires or other components, damaged or
worn parts, or leakage evidenced by water or corrosion
in the interior.
•
Electrically check to make sure that all connections are
clean and tight, and that contacts in the components
make or break as required.
•
Mechanically check that all parts are properly
assembled, and operating mechanisms move freely.
CAUTION
Clean both ground-joint surfaces of body and cover before
installing. Dirt or foreign material must not accumulate on
flat ground-joint surfaces. Surfaces must seat fully against
each other to provide a proper explosionproof seal.
EMN Enclosure NEMA
Catalog No. Size Poles (Phase) Catalog Number
M-0
2 (1 Ph)
3 (3 Ph) B100M0BX
B100M0CX
M-1
2 (1 Ph)
3 (3 Ph) B100M1BX
B100M1CX
M-1P 2 (1 Ph) B100MDBX
1. Two-pole starters require on heater, three-pole starters require three heaters. These should be selected in accordance with the manufacturer's
recommendations. Most explosionproof motors are rated at 55
o C, heaters should be selected accordingly.
Table 1
EMN24
Cutler-Hammer - B100 Series
Manaul Motor Line Starters 1