
250-5014
ABB B21 Series Energy Meter, LCD Display, M-Bus Communication Port - 2CMA100156R1000 This digital energy meter measures both active and reactive energy in residential and commercial environments. Its accuracy and advanced features support effective energy management, while the compact design allows for easy installation on DIN rails. Features & Benefits • LCD display for clear visibility of measurement data • MID certified for compliance with energy measurement standards • Supports M-Bus communication for seamless data transfer • Inputs and outputs for alarms and pulse data management • Configurable for multiple tariffs, enhancing billing flexibility Applications • Suitable for energy monitoring in commercial buildings • Ideal for tracking consumption in residential installations • Monitoring usage within automation processes How it can be install this in my electrical setup? Installation should be performed on a DIN rail, following the detailed guidelines in the manual. Is it compatible with existing energy management systems? Yes, it integrates seamlessly with systems using M-Bus communication. What are the benefits of using multiple tariffs? Multiple tariffs enable tracking of energy use at various rates, promoting cost savings during off-peak periods. Can it operate in extreme temperature conditions? It functions effectively within a temperature range of -40 to 70°C, making it suitable for diverse environments.
Pairs well with
Reliable delivery of industrial products worldwide.
2-Year Warranty
Complimentary shipping & returns

250-5014
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Please read our FAQs page to find out more.
Do you supply genuinet products?
We supply genuine industrial automation and electrical products from leading manufacturers including Siemens, ABB, Schneider Electric, Phoenix Contact, and Eaton. Product authenticity and quality are our priority.
Can I request a quotation?
Yes. If pricing is not displayed or you require multiple items, simply use the “Request a Quote” button or contact our sales team for a customized quotation.
Do you ship internationally?
Yes. We provide worldwide shipping and can deliver products to customers across Europe, the Middle East, Asia, and other international destinations.
Can you source obsolete or hard-to-find parts?
Yes. We specialize in sourcing discontinued, obsolete, and difficult-to-find industrial automation components through our global supplier network.
What industries do you serve?
We support customers in manufacturing, oil & gas, energy, utilities, water treatment, infrastructure, and industrial automation sectors.