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Siemens 7KM21121BA003AA0 SENTRON Energy Meter

Siemens 7KM21121BA003AA0 SENTRON energy meter with RS485.

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ManufacturerSiemens

Part number7KM21121BA003AA0

Measurement Active Energy

Tariffs 2

Measurement Type Direct

Max Current 60A

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12-month warranty

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Direct measurement up to 60A Dual tariff capability RS485 Modbus RTU communication Digital display

Product description

The Siemens 7KM21121BA003AA0 is a SENTRON energy meter designed for direct measurement of active energy. It supports two tariffs, making it suitable for applications requiring differentiated billing or load management. The meter features a digital display for readings and includes an RS485 interface for communication, typically utilizing the Modbus RTU protocol for integration into energy management systems.

This energy meter is ideal for use in commercial buildings, industrial facilities, and residential applications where accurate measurement of electricity consumption is necessary. Its direct measurement capability simplifies installation for currents up to 60A, and the communication interface allows for remote data collection and analysis.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 7KM21121BA003AA0 energy meter, providing reliable and cost-effective solutions for your energy monitoring and management needs.

Technical specifications

Measurement	Active Energy
Tariffs	2
Measurement Type	Direct
Max Current	60A
Interface	RS485
Protocol	Modbus RTU
Display	Digital

Common applications

Energy Monitoring

Building Management

Industrial Consumption

Retail Energy

Submetering

Compatible systems

Compatible with energy management systems and PLCs supporting Modbus RTU

Also known as

Siemens SENTRON Meter Siemens Energy Counter

Replaces / compatible with

Replaces older single-tariff energy meters and provides digital communication for modern energy management systems.

Technical note

Expert tip

Ensure correct wiring for the two tariffs to enable proper operation of differentiated billing.

What happens next?

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Frequently asked questions

What is the maximum direct current rating for the Siemens 7KM21121BA003AA0 energy meter?

The Siemens 7KM21121BA003AA0 SENTRON energy meter is designed for direct measurement of active energy and supports a maximum current of 60A.