Form 9S Meter, 3 Phase, 4 Wire | A3 Alpha

ElsterSKU: 1C6907
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Description

Maximum Voltage

Continuous 528 VAC (AnyPhase option: L-L or N-N)

Maximum Current

Continuous at Class amperes; temporary (1 second)

Voltage Range


Nameplate nominal range
120 V - 480 V
Operating range
96 V - 528 V

Surge Voltage Withstand

ANSI C37.90.1 oscillatory
2.5kV, 2500 strikes
Fast transient
5 kV, 2500 strikes
ANSI C62.41
6 kV, @ 1.2/50 µs, 10 strikes
IEC 61000-4-4
4 kV, 2.5 kHz repetitive burst for 1 min.
ANSI C12.16
2.5 kV, 60 Hz for 1 min.

Current Range

0 to Class amperes

Frequency Range

 Nominal 50 Hz to 60 Hz ± 5 % 

Temperature

-40 °C to +85  °C inside meter cover

Humidity

0 to 100% noncondensing

Power Supply Burden

Less than 4 W

Per phase current burden

0.1 milliohms typical at 25 °C

Per phase voltage burden

0.008 W at 120 V; 0.03 W at 240 V; 0.04 W at 480 V

Accuracy

Meets ANSI C12.20 accuracy for accuracy Class 0.2 %

Starting Current

5 mA for Class 20

50 mA for Class 200

80 mA for Class 320

Primary Time Base

 Power line frequency (50 Hz or 60 Hz) with selectable crystal oscillator

Secondary Time Base

 Meets the ANSI limit of 0.02 % using the 32.768 kHz crystal.

Initial performance is expected to be equal to or better than ±55 seconds per month at room temperature. 

Outage Carryover Capacity

 6 hours at 25 °C. Super capacitor rated at 0.1 Farads, 5.5 V.

Communication Rates

 Optical port: 300 to 28,800 bps; Remote port: 1200 to 19,200 bps

ANSI Standards

C12.1; C12.10; C13.18; C12.19; C12.20; C12.21

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