SIRAX BM1250 - Basic

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Item number: 182858

Multifunctional measuring device for network parameters

The multifunctional power and monitoring instrument SIRAX BM1250 is suitable for fixed installation and for the measurement of the most important electrical parameters in low-voltage systems.

The measurement is designed for 1- or 3-phase networks with 2-, 3- or 4-wire connections and are used to safely monitor the electrical distribution. The measured values are displayed on the generous LCD display. The device (96x96mm) has two optional outputs that can be configured as a pulse output for energy measurement, limit output, timer function or relay output. An RS485 interface with Modbus / RTU is also available.

Product Highlights

User-friendly

The device can be operated very easily via 3 pushbuttons
With its large, backlit LCD display, the measured data is very easy to read
The User Assignable Screens feature lets you define 1 to 10 on-screen displays out of 28 screens
Easy, flexible and quick installation thanks to Easy Clip or mounting brackets

Multifunctional

Variety of functions for measuring voltage, current, power, energy and quality
Various relay functions integrated (pulse output for energy measurement, limit value output, timer function, RTC relay output)
Built-in 8MB Flash Datalogger (event logging, time logging, load profile logger)
On-site configuration (configuration via pushbuttons, USB interface or via RS485 / Modbus RTU possible)
Easy integration into higher-level systems through open communication via Modbus RTU

Communicative

RS485 interface with Modbus / RTU protocol

Safe

Password protects against unauthorized modification of programming and configurations
No password given from factory default side

Applications

Display and control of electrical characteristics in power distribution systems
Internal energy billing/monitoring/auditing
Submetering and utility billing
Electrical load monitoring

Technical characteristics
Measurement
- Current (I1, I2, I3, IN, ISystem)
- Voltage (U1, U2, U3, USystem, U12, U23, U31)
- Frequency (f)
- Power (P1, P2, P3, ΣP, Q1, Q2, Q3, ΣQ, S1, S2, S3, ΣS)
- Power factor (PF1, PF2, PF3, ΣPF)
- Phase angle (Cosϕ1, Cosϕ2, Cosϕ3, ΣCosϕ)
Quality
- Total harmonic distortion (THDI1, THDI2, THDI3, THDISystem, THDU1, THDU2, THDU3, THDUSystem)
- Harmonics up to the 31st harmonic (I1, I2, I3, U1, U2, U3)
Counter
- Active energy (kWh Import/Export)
- Reactive energy (kvarh Import/Export)
- Apparent energy (kVah)
- Run and On hour counter
- Built-in Real Time Clock
- Time-based data logger
Events
- Phase absent indication
- Phase reversal indication (clockwise/counter clockwise)
- Number of interruptions
Output
- Communication RS485 Modbus RTU
- Relay output (pulse, limit, timer, RTC)

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Further topics

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