GE Multilin 350 - Current Transformer Model 780; Application, Ratings, and Catalog Numbers; ANSI Metering Classes and Specifications

APPLICATION:
Relaying and metering.
FREQUENCY:
50-400 Hz.
INSULATION LEVEL:
0.6 kV, BIL 10 kV full wave.
CONTINUOUS THERMAL CURRENT RATING FACTOR:
50:5-1200:5 2.0 at 30
o
C. amb., 1.5 at 55
o
C. amb.
and 2000:5
1500:5-1600:5 1.5 at 30
o
C. amb., 1.33 at 55
o
C. amb.
2500:5-3500:5
4000:5-5000:5 1.0 at 30
o
C. amb.
6000:5 0.8 at 30
o
C. amb.
Secondary terminals are brass screws No.10-32
with one flatwasher, lockwasher and regular nut.
Approximate weight 30 lbs.
Excitation data available upon request.
CATALOG
NUMBER
CURRENT
RATIO
RELAY
CLASS
ANSI METERING CLASS AT 60HZ
B0.1 B0.2 B0.5 B0.9 B1.8
780—500 50:5 — 4.8 — — — —
780—750 75:5 C10 4.8 4.8 — — —
780—101 100:5 C10 1.2 2.4 4.8 — —
780—151 150:5 * C20 0.6 1.2 2.4 2.4 4.8
780—201 200:5 * C20 0.6 0.6 1.2 2.4 4.8
780—251 250:5 * C20 0.6 0.6 0.6 1.2 2.4
780—301 300:5 * C20 0.3 0.6 0.6 1.2 2.4
780—401 400:5 * C50 0.3 0.3 0.6 0.6 1.2
780—501 500:5 * C50 0.3 0.3 0.3 0.6 0.6
780—601 600:5 * C100 0.3 0.3 0.3 0.3 0.6
780—751 750:5 * C100 0.3 0.3 0.3 0.3 0.6
780—801 800:5 * C100 0.3 0.3 0.3 0.3 0.3
780—102 1000:5 * C100 0.3 0.3 0.3 0.3 0.3
780—122 1200:5 * C200 0.3 0.3 0.3 0.3 0.3
780—152 1500:5 * C200 0.3 0.3 0.3 0.3 0.3
780—162 1600:5 * C200 0.3 0.3 0.3 0.3 0.3
780—202 2000:5 * C200 0.3 0.3 0.3 0.3 0.3
780—252 2500:5 * C200 0.3 0.3 0.3 0.3 0.3
780—302 3000:5 * C200 0.3 0.3 0.3 0.3 0.3
780—322 3200:5 * C200 0.3 0.3 0.3 0.3 0.3
780—352 3500:5 * C200 0.3 0.3 0.3 0.3 0.3
780—402 4000:5* C200 0.3 0.3 0.3 0.3 0.3
780—502 5000:5 C200 0.3 0.3 0.3 0.3 0.3
780—602 6000:5* C200 0.3 0.3 0.3 0.3 0.3
Approved for revenue metering by Industry Canada No. AE-0656(*)
Manufactured to meet the requirements of ANSI/IEEE C57.13.
Classified by U.L. in accordance with IEC 44-1
REGULATORY AGENCY APPROVALS
Current Transformer
Current Transformer
Model 780
Window Diameter 6.50”