Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Direct connection up to 65A for 3-phase systems (208–415 V L-L)
- Class 1 accuracy for active energy (kWh) and 0.5% RDG for voltage/current
- RS485 Modbus RTU interface for SCADA and energy management integration
- Real-time LCD display with backlit screen and 3-key navigation
- Bi-directional energy metering with 3x11-digit counters and dual tariff support
Specifications
Connection Type | Direct Connection |
Current Rating | 65A |
Mounting Type | DIN-Rail |
Mounting Type | DIN-rail mountable |
Mounting Type | DIN-Rail Mount |
Poles | 3-Phase |
Series | EM540 |
Size | 3 DIN modules |
Voltage Rating | 208-415 V L-L |
Package Dimensions (L x W x H) | 2.48 in x 2.13 in x 3.54 in |
Package Weight (Imperial) | 0.82 lbs |
Frequently Asked Questions
What electrical systems can the EM540 energy analyzer manage?
The EM540 can manage two-phase (3-wire), three-phase with neutral (4-wire), three-phase without neutral (3-wire), and wild leg systems.
What is the maximum current the EM540 can measure?
The EM540 can measure a maximum current of 65 A.
What is the operating temperature range for standard EM540 models?
Standard EM540 models operate in a temperature range of -25 to +55 °C.
What is the operating temperature range for PFx70 EM540 models?
PFx70 models of the EM540 can operate in a wider temperature range of -25 to +70 °C.
Does the EM540 support Modbus RTU communication?
Yes, the EM540 can be equipped with a Modbus RTU communication port for data transmission.
Can the EM540 be used for fiscal metrology purposes?
Yes, MID-certified versions of the EM540 can be used for fiscal metrology, with sealable terminal caps to prevent tampering.
Does the EM540 offer a digital output function?
Yes, the EM540 can be equipped with a digital output that can function as a pulse or alarm output.
What is the accuracy class for active energy measurement?
The EM540 has an active energy measurement accuracy of Class 1 according to EN IEC 62053-21.
What is the display type and refresh time of the EM540?
The EM540 features a backlit LCD display with a refresh time of 500 ms.
What is the maximum number of Modbus devices that can be on the same bus?
A maximum of 247 Modbus devices can be connected on the same bus, assuming 1/8 unit load per device.
Frequently Asked Questions about Carlo Gavazzi
What industries and applications are Carlo Gavazzi products used for?
Carlo Gavazzi products are used across a wide range of strategic industries, including Food and Beverage, Semiconductors, EV Charging Stations, Energy Storage, Manufacturing, Agriculture, HVAC, Data Centers, Mining, Elevators, Conveyors, and Mobile Equipment. Their product lines specifically support industrial automation, energy monitoring, control systems, and sensing applications in these sectors, with specialized solutions for power analysis, current measurement, data logging, and industrial control components.
What technical support does Carlo Gavazzi offer?
Carlo Gavazzi offers comprehensive technical support through multiple channels. With 22 wholly-owned sales companies and distributors in 60 countries, customers can access local technical assistance via phone, email, and online resources. Their support includes product documentation, downloadable data sheets, web resources at GavazziOnline.com and GavazziAutomation.com, and direct contact through regional sales offices in the USA, Canada, Mexico, and Brazil.
What are the main product lines offered by Carlo Gavazzi?
Carlo Gavazzi offers a comprehensive range of industrial automation product lines, including power supplies, sensors, solid state relays, energy meters, monitoring relays, motor controllers, and control components. Their key product ranges span sensors, switches, and controls, with specific lines like 1-phase and 3-phase power supplies, photoelectric and inductive sensors, IO-Link sensors, energy analyzers, and industrial relays designed for strategic industries including food and beverage, EV charging, manufacturing, and building automation.
What are the key features of Carlo Gavazzi products?
Carlo Gavazzi products feature advanced industrial automation technologies across multiple product lines, including energy meters, power analyzers, sensors, and IoT solutions. Key features include integrated communication protocols like Modbus TCP/IP, Microsoft Azure and AWS compatibility, IO-Link sensor capabilities, and robust design for industrial environments. Their products offer high-performance monitoring, data logging, and control functions with emphasis on energy efficiency, remote connectivity, and flexible integration across industrial and building automation applications.
What communication protocols do Carlo Gavazzi products support?
Carlo Gavazzi products support multiple industrial communication protocols including Modbus TCP/IP, Modbus RTU, PROFINET, EtherNet/IP, HTTP, FTP, and OPC UA. Their energy management platforms like UWP4.0 and VMU-C EM are designed with flexible communication capabilities, enabling integration with IoT platforms such as Microsoft Azure and Amazon AWS, and supporting both local and remote monitoring across various industrial automation systems.
What accessories are available for Carlo Gavazzi products?
Carlo Gavazzi offers a comprehensive range of accessories for their sensors and automation components. These include PVC and PUR cordsets in various lengths and configurations, universal mounting brackets for cylindrical sensors (Ø4 to Ø30 mm), galvanized and stainless steel mounting brackets, and a wide selection of reflectors for photoelectric sensors. Specific accessories include IP67 and IP68 cordsets with straight or right-angle M12 connectors, terminals for hardwiring, and specialized reflectors like the heated ER681 for cold installations.
How are Carlo Gavazzi products typically installed?
Carlo Gavazzi products are typically installed using flexible mounting options including DIN-rail, around busbars, directly onto back panels, and with various current transformer configurations. Energy meters, power analyzers, and monitoring devices can be mounted with split-core or solid-core current transformers, supporting installation ranges from 600A to 3200A primary current. Many products feature modular designs with optional communication modules like Modbus-RTU, BACnet-IP, and built-in web servers to facilitate easy integration into industrial and building automation systems.
What certifications and standards do Carlo Gavazzi products comply with?
Carlo Gavazzi products meet rigorous international certification standards, including UL (United States), cULus (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products comply with critical mechanical and functional safety standards such as EN 60529 (IP protection), EN 61800-5-2, ISO 13849-1, and IEC 61508, ensuring high reliability and performance across industrial automation applications.
What is Carlo Gavazzi's warranty policy?
Carlo Gavazzi provides a standard 18-month warranty from the invoicing date for its automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage is contingent on correct operation within designed capacity limits, scheduled preventive maintenance, and repairs performed only by authorized WEG service technicians.