Datakom DKM-407 Manual - Page 2

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Although the unit is protected against electromagnetic disturbance, excessive disturbance can affect the

operation, measurement precision and data communication quality.

 Use cables of appropriate temperature range.

 Use adequate cable section, at least 0.75mm

 For current transformer inputs, use at least 1.5mm

 The current transformer cable length should not exceed 1.5 meters. If longer cable is used,

increase the cable section proportionally.

 Follow national rules for electrical installation.

 Current transformers must have 5A output.

Supply voltage: 85-305 V AC (L1-NEUTRAL)

Supply frequency: 45-65Hz

Measurement inputs:

Voltage:

Current:

Frequency:

Accuracy:

Voltage:

Current:

Frequency:

Power (kW,kVAr): %1.0 + 2 digit

Cos:

Measurement range:

CT range:

VT range:

kW range:

Power consumption:

ELECTRICAL CONNECTIONS

Do not install the unit close to high electromagnetic noise

emitting devices like contactors, high current busbars,

switchmode power supplies and the like.

Current Transformers must be used for current measurement.

No direct connection allowed.

TECHNICAL SPECIFICATIONS

10 - 305 V AC (P-N)

20 - 530 V AC (P-P)

0.2 - 6.00 A AC

30 - 100 Hz

% 0.5 + 1 digit

%2.0 + 2 digit

5/5A to 5000/5A

0.1/1 to 200.0/1

0.1 kW to 6.5 MW

< 4 VA

(AWG18).

section (AWG15) cable.

Loading:

Voltage inputs: < 0.1VA per phase

Current inputs: < 1VA per phase

Relay output:

Digital input:

Active level:

Min pulse:

Isolation:

Operating temp. range: -20°C to +70 °C

Max. Relative humidity: 95% non condensing

Enclosure: Flame retardent, ROHS

compliant, high temperature ABS/PC

(UL94-V0)

Installation: DIN rail mounted

Dimensions: 70x115x66mm (WxHxD)

Weight: 200 g (approximative)

EU Directives:

2006/95/EC (LVD)

2004/108/EC (EMC)

5A @ 250V AC

5 - 30V DC or AC

250ms.

1000V AC, 1 minute

-4 °F to 158°F

Reference

standards:

EN 61010 (safety)

EN 61326 (EMC)