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WEG Molded Case Circuit Breakers - User’s Manual
9
4.2. FIELD TESTING
Any field testing should be done in accordance with NEMA Standards Publication
AB4-1990.
The instructions for installation, testing, maintenance, or repair herein are provided
for the use of the product in general commercial applications and may not be
appropriate for use in nuclear applications. Additional instructions may be available
upon specific request to replace, amend, or supplement these instructions to
qualify them for use with the product in safety-related applications in a nuclear
facility.
This Instruction Booklet is published solely for information purposes and should
not be considered all-inclusive. If further information is required, you should consult
an authorized WEG sales represent ative.
The sale of the product shown in this literature is subject to the terms and conditions
outlined in appropriate WEG selling policies or other contractual agreement
between the parties. This literature is not intended to and does not enlarge or add
to any such contract. The sole source governing the rights and remedies of any
purchaser of this equipment is the contract between the purchaser and WEG.
NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES
OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, OR
WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE,
ARE MADE REGARDING THE INFORMATION, RECOMMENDATIONS, AND
DESCRIPTIONS CONTAINED HEREIN.
In no event will WEG be responsible to the purchaser or user in contract, in tort
(including negligence), strict liability or other wise for any special, indirect, incident
al or consequential damage or loss whatsoever, including but not limited to
damage or loss of use of equipment, plant or power system, cost of capital, loss of
power, additional expenses in the use of existing power facilities, or claims against
the purchaser or user by its customers resulting from the use of the information,
recommendations and description contained herein.
Trip unit
maximum
rating
Amperes
l
r
settings
Adjustable long delay
(standard)
Adjustable short time delay
l
r
Amperes @
Time delay
settings
range (Sec.)
Pick-up
settings
range
1)
Time delay settings (Sec.)
l
2
t ramp
(standard)
Independently
adjustable
setting time
(optional)
1600
A-H
800 A / 900 A / 1000 A /
1100 A / 1200 A / 1400 A /
1500 A / 1600 A = l
n
2 to 24
@ 6 x l
r
rating
2 to 8
0.05 - 0.603
Inst/120/300
milisecs (MS)
2000
A-H
1000 A / 1200 A / 1400 A /
1600 A / 1700 A / 1800 A /
1900 A / 2000 A = l
n
2 to 24
@ 6 x l
r
rating
2 to 8
0.05 - 0.603
Inst/120/300
milisecs (MS)
2500
A-H
1600 A / 1700 A / 1800 A /
2000 A / 2100 A / 2200 A /
2400 A / 2500 A = l
n
2 to 24
@ 6 x l
r
rating
2 to 6
0.05 - 0.603
Inst/120/300
milisecs (MS)
Table 3:
the current pick-up setting is a multiple of the ir setting
