I-Gard MGFR Series, Instruction Manual

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5.6.3 METER ACCURACY (MEASURED MULTIPLE OF PICKUP)
0.2 X P.U. - P.U.: ±10%
1.2 X P.U. - 10 X P.U.: ±20%
10 X P.U. - 99.9 X P.U.: ±20%*
* MGFR-20-ZB and MGFR-20-AB have measurement accuracies of ±20% from 10 x P.U. to 50 x P.U.
5.7 RESET
Selectable - self Reset or Manual Reset by rear-connected jumper.
5.8 TRIP INDICATOR
Self reset on power up.
Manually reset otherwise.
5.9 SHORT CIRCUIT WITHSTAND CAPACITY
MGFR-1-ZB, MGFR-1-AB,
MGFR-2-ZB, MGFR-2-AB,
MGFR-20-ZB, MGFR-20-AB 50 KA for 0.6 sec.
MGFR-200-ZB, MGFR-200-AB,
MGFR-1200-ZB, MGFR-1200-AB,
MGFR-SE-ZB: 50 KA for 1 sec.
5.10 TRANSIENT IMMUNITY
According to ANSI/IEEE C62.41 - 1980 and
ANSI/IEEE C37.90 - 1978
5.11 RELAY CONTACTS
5.11.1 TRIP CONTACT
One Form C, (SPDT), dry contact, rated 10 A at 240V AC or 24 V DC resistive.
5.11.2 PRE-TRIP ALARM CONTACT
One Form A (SPST), Normally-open, dry contact rated 0.3 A, 120V AC or 0.5A, 24V DC
5.12 DROPOUT TO PICK-UP RATIO
0.70
5.13 FREQUENCY RANGE
The operating frequency of MGFR is 50-60 Hz within the accuracy limit specified in the section 5.7. This includes
both the system frequency and the control voltage frequency.
5.14 STANDARDS (EXCEPT -AB TYPES )
CSA File No.: LR65287
UL File No.: E107725