Black Box IC109A-R2 Manual de Instalação descarregar pdf (Página 46)

63230-216-229-B1

Installation

ACE990 Core Balance CT Interface

Function

PE50037

The ACE990 adapts measurements between an MV zero sequence CT with a ratio

of 1/n (50 ≤ n ≤ 1500), and the Sepam™ residual current input.

Characteristics

Weight 0.64 kg (1.41 lb)

Assembly Mounted on symmetrical DIN rail

Amplitude accuracy ±1%

Phase accuracy < 2°

Maximum permissible current 20 kA - 1 s

(on the primary winding of an MV zero

sequence CT with a ratio of 1/50 that does not

saturate)

ACE990 zero sequence CT interface Operating temperature –5°C to +55°C (+23°F to +131°F)

Storage temperature –25°C to +70°C (–13°F to +158°F)

Description and Dimensions

ACE990 input terminal block, for connection of the zero sequence CT.

ACE990 output terminal block, for connection of the Sepam™ residual current.

DE80040

(20)

0.79

(77)

3.03

(72)

2.83

(25)

0.98

(11)

0.43

(46)

1.81

(99)

3.90

(50)

1.97

in.

(mm)

(11)

0.43

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Black Box IC109A-R2 Manual de Instalação Página 46