8
Introduction
Specifications
Power Requirements
Primary:
100-120 or 200-240 VAC
±
10%
50 - 60 Hz, 50 VA max
Memory Backup Battery:
3.6 Volt AA Lithium Cell
Physical
Dimensions:
89 mm H x 483 mm W x 191 mm D
(3.5" H x 19" W x 10.75" D)
Weight:
4.2 kg (9.2 lbs.)
Torque Limits on Current
Shunt Terminals:
5, 10, and 100 A models: 50 in-lbs.
200 A model: 150 in-lbs.
300 A model: 360 in-lbs.
Environmental
Ambient Temperature:
Operating: 0 °C to 50 °C (32 °F to 122 °F)
Nonoperating:
−
20 °C to 60 °C (
−
4 °F to 140 °F)
Relative Humidity:
80% up to 31 °C (88 °F), decreasing
linearly to 50% at 50 °C (122 °F)
Altitude:
2 000 m (6562 ft.) Indoor use
Standards
EMI/EMC Standards:
EN50082-1
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN55022, Class A
Safety Standard:
EN61010-1
Installation Category:
Pollution Degree 2, Overvoltage Category II
as defined by IEC664
a. Resolution of the IEEE 754 double-precision floating point type consisting of a
52-bit fraction and 11-bit exponent.
Summary of Contents for 420
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