Gossen Metrawatt SIRAX BM1450 Multifunctional DC Energy Meter (10..60V / 60-300V; RS485, 4R)

Input

Input voltage

Nominal input range: 10 ... 60 V

Max continuous input: 125% of nominal value

Operating measuring range: ± 2 ... 125% of nominal value

Nominal input burden: < 0.4 W

Overload indication: > 126% of nominal value

Overload withstand: 2 x rated value (1s application repeated 10 times at 10s intervals)

Input current

Full scale setting range: 1 ... 20 kA

Numbers of channels: 4

Current Sensor: External Shunt

Shunt setting range: 50 ... 150 mV

Max continuous input: 125% of nominal value

Operating measuring range: ± 0.2 ... 125% of nominal value

Nominal input burden: < 0.1 W per channel

Overload indication: > 126% of nominal value

Overload withstand: 20 x rated value (1s application repeated 5 times at 5min intervals)

Power supply

Nominal voltage: 60 ... 300 V AC/DC

Frequency: 45 ... 65 Hz

Power supply burden: < 6 VA

Accuracy

Reference Conditions: 23 °C / ± 2 °C

Voltage: ± 0.5% of nominal value (± 5 ... ± 120%)

Current: ± 0.5% of nominal value (± 5 ... ± 120%)

Power: ± 0.5% of nominal value (± 5 ... ± 120%)

Energy: Class 1

Temperature drift: 0.05% / °C

Mechanical & Display

Display: 4 line 8-digit LED Display

Weight: 620 g Approx.

IP protection class: IP 54

Communication interface

Modbus /RTU: Via plug terminals, 2.5 mm2

Protocol: Modbus/RTU

Physics: RS-485, max. 1200 M (4000 ft)

Baud rate: 4’800, 9’600, 19’200, 38’400, 57’600 Baude

Number of participants: < 32

Output: RS485, 4 relays

Datasheet