ESA Elektroschaltanlagen Grimma GmbH
Booth number: H14-B12
www.esa-grimma.de
About us
ESA Elektroschaltanlagen Grimma GmbH has stood for safe energy distribution "made in Germany" for over 30 years, with products used across the globe. With more than 350 employees, the company has evolved into the largest owner-managed medium-sized enterprise in the electrical industry in the district of Leipzig. Thanks to an in-house research and development department and strong vertical integration, the company provides an end-to-end package ranging from in-house development and project planning to production, maintenance, and staff training.
The company's core business areas include:
Innovative power supply for hospitals.
Reliable energy distribution.
Constant monitoring systems for operating and residual currents.
Focus: Innovative power supply for hospitals
In modern hospitals, the safety of patients and staff stands and falls with the reliability of electronic systems. Since power failures would be fatal in the worst-case scenario, a redundant power supply is essential to ensure that (emergency) surgery is possible at all times. For more than 20 years, the control and monitoring systems as well as low-voltage distribution boards from ESA Elektroschaltanlagen Grimma GmbH have been helping make significant improvements to safety in medical areas. The system solutions for the medical sector include:
NSHV low-voltage main distribution boards for all areas (general/safe power supply).
Application group 2 distribution boards with insulation fault location systems for power supply, designed for sensitive areas such as operating theatres and intensive care units.
Battery-powered switching devices and IT systems with insulation monitoring and operating theatre luminaire outlets.
Reliable energy distribution
Another essential area is reliable energy distribution, where low-voltage switchgear serves as the centrepiece of every power grid. The type-tested and arc-fault-proof GNS 5.1 low-voltage switchgear and controlgear assembly guarantees maximum system availability and flexibility thanks to the combination of plug-in and withdrawable units. This portfolio is complemented by the highly flexible GIV installation distribution system, which can be adapted to specific use cases thanks to a wide range of special dimensions. These intelligent energy distribution solutions are used across various sectors, including industry, water management, data centres, and general facility services.
Address
Broner Ring 30
04463 Grimma
Germany
E-mail: info@esa-grimma.de
Phone: +49 3437 92110
Internet: www.esa-grimma.de
Contact person:
Ronny Thieme
Foreign Sales Management International
E-mail: r.thieme@esa-grimma.de
Phone: +49 3437 9211520
Products & Services
Presentation of cutting-edge technological solutions "Made in Germany" for modern hospital infrastructure.
The HospEC® System
The HospEC® system is a complete technical system solution developed by ESA Elektroschaltanlagen Grimma GmbH for secure power supply in medical locations.
All system components communicate with each other seamlessly via the established and fail-safe CAN fieldbus.
Isolated Power Systems (IPS) for Medical Locations
IPS-ICU Series 710 modular: These distribution cabinets reliably supply power to operating rooms and intensive care units (user group 2). The system offers secure isolation through separate transformer boxes and ensures highly precise switchover times of less than 0.5 seconds.
AP-BSV-IPS 710 Series: A compact IT system distribution unit with an integrated, battery-backed central power supply system (BSV) for the medical sector. The system delivers up to 5 kVA of output power and bridges power outages with an autonomy time of one to three hours. Thanks to the 19-inch plug-in technology, the inverter modules can be easily replaced during operation for simplified maintenance.
Monitoring and Insulation Fault Detection Systems
ILT-710-V.5: A multifunctional monitoring device for single-phase medical IT systems (110–230 V AC). It continuously monitors the insulation resistance, load current, and transformer temperature. Using the integrated test signal generator, the device can be directly coupled with insulation fault detection devices to accurately localize faulty circuits.
IFS-STL-710-W6: An insulation fault detection device with six integrated measuring current transformers (channels). In combination with a test signal generator, the device automatically and precisely locates insulation faults during operation (evaluation range from 5 µA to 2.5 mA).
Operating and Annunciator Terminals
BMTI 1: A compact operating and annunciator terminal that visually displays operating and fault messages from connected ILT devices via colored LEDs and acoustically via a signal horn. Additionally, the ISO test can be triggered externally via a dedicated button.
BMTI 5: An advanced control unit with a full-graphic RGB display for showing text messages and measured values. The device enables the parameterization of connected monitoring devices and additionally acts as an intelligent gateway (CAN to Modbus) for integrating third-party systems such as air conditioning units.
BMTI Touch: A 5-inch touch display that serves as an intuitive, central interface for room, climate, and gas monitoring. Via the menu navigation, operating room lighting and blinds can be controlled, and the battery statuses of the BSV systems can be monitored. The device logs up to 200 messages in the history memory and displays warnings with color-coded priority.
Visit our 12 m² booth at the German Pavilion at ELECRAMA 2027 in Greater Noida. Discover in detail on-site how our medical power supply solutions ensure maximum safety and reliability in modern healthcare infrastructure.
IPS-ICU Series 710 modular
The IPS-ICU Series 710 modular is a highly specialized distribution cabinet designed for the secure power supply of group 2 medical locations, such as operating rooms and intensive care units. The system ensures the continuous supply of vital medical equipment, even in the event of an initial fault (e.g., insulation fault or short contact through body contact) or a failure of the general power supply.
System Architecture and Main Components
Separate Transformer Boxes: The IPS isolating transformer (up to 8 kVA in Germany) is housed in a separate transformer box, which can be mounted either directly on top of the standing cabinet or remotely from the wall cabinet.
Precise Switchover Control: In the event of a voltage drop in the preferred feeder (line 1), the system switches over to the redundant feeder (line 2) in less than 0.5 seconds (class 0.5).
Continuous Monitoring: The integrated modules (UEI-710-V.5, ILT-710-V.5, or ILT-710-V.4) permanently monitor the insulation resistance of the IT system, as well as the load current and temperature of the isolating transformer.
Optional Insulation Fault Detection: With the optional IFS-710-W6 device and the integrated test signal generator, faulty circuits can be located automatically during operation (up to 96 channels).
Digital Networking: All operating and fault messages are transmitted via the CAN bus to external peripheral devices, such as the operating and annunciator terminals of the BMTI series (e.g., BMTI 1, BMTI 2, BMTI 5) or the building services control system.
Modular Design and Scalability Thanks to its modular structure, the system offers flexibility for a wide variety of hospital infrastructures and can be adapted to specific power requirements:
Expansion Stages: Available as Single IPS (S-IPS, 300 mm width), Double IPS (D-IPS, 600 mm width), and Triple IPS (T-IPS, 800 mm width).
Cabinet Heights: The distribution cabinets are available in standard heights of 1250 mm and 1400 mm (with a depth of 350 mm).
Output Circuits: Depending on the expansion stage and design (with bypass switch or bypass terminal), between 6 and 54 output circuits can be implemented.
Bypass Function (Optional): Enables bridging circuits for maintenance work on the change-over and monitoring modules without interrupting the power supply to the connected loads.
International Safety Standards The system complies with strict international standards for medical power supply, including IEC 60364-7-710 and DIN VDE 0100-710, and achieves a Safety Integrity Level of SIL 2 (IEC 61508). This optimally qualifies the IPS-ICU Series 710 modular for international healthcare and infrastructure projects that require maximum reliability and precise technical documentation.
AP-BSV-IPS 710 Series
The AP-BSV-IPS 710 Series is a compact IT system distribution unit with an integrated, battery-backed central power supply system (BSV), specifically designed for use in medical areas such as hospitals, medical care centres (MVZ), and practice clinics. This ready-to-connect system combines the secure supply of 230 V loads and operating theatre lights (24 V DC) in a single installation and meets the stringent requirements for a permanent operating theatre.
System Architecture and Advantages
Two BSV systems in one enclosure: The unit integrates a 230 V AC and a 24 V DC supply, offering a power output of up to 5 kVA.
Elimination of conventional generators: The battery-backed system eliminates the need for a conventional generator as a second safe power source.
Mains connection: Thanks to its low connected load, the system is ideally suited for a standard building service connection (3 x 35 A).
Maintenance and safety: A touch-safe, self-configuring plug-in system for central electrical assemblies significantly reduces maintenance, testing, and lifecycle costs. Additionally, the DC and AC inverters feature dedicated single-fault protection.
Modular Technology
19-inch plug-in technology: The DC and AC inverters are designed as modular 19-inch plug-in modules.
Hot-swap capability: Modules can be safely replaced while the system remains in operation.
Insulation fault detection: An insulation fault detection system for the 24 V DC and 230 V AC outputs is included as standard.
Operating theatre lighting: The system features direct connections for two operating theatre lights (24 V DC).
Technical Specifications and Performance Data
IT system: The isolating transformer offers a capacity of 5.0 kVA, a switchover time of <0.5%, and a continuous overload capacity of 200%.
Battery system: Sealed lead-acid (Pb) batteries are used, providing an autonomy time (runtime) of 1 to 3 hours in the event of a power failure. The charging time is 6 hours, with an expected service life of 12 years.
Rectifier and Inverter: The primary-side switched rectifier converts AC 400 V to DC 48 V (rated output current 4x or 6x 50 A). The inverter provides a rated power of 7500 W (rated output current 27 A at AC 230 V).
Standard compliance: The design complies with the strict requirements of DIN VDE 0100-710 for low-voltage installations in medical locations and DIN VDE 0558-507 for battery-backed central power supply systems.
Dimensions: Made of 2 mm sheet steel, the distribution board measures 2000 x 1000 (or 1600) x 600 mm (HxWxD), weighs approximately 600 to 900 kg depending on the configuration, and features an IP20 protection class.
ILT-710-V.5
The ILT-710-V.5 is a multifunctional monitoring device for medical IT systems, specifically designed for use in accordance with the IEC 60364-7-710 and DIN VDE 0100-710 standards. As an integral component of the HospEC® system, it combines several essential monitoring functions in one compact module.
Main Monitoring Functions
Insulation monitoring: The device continuously monitors the insulation resistance of single-phase medical IT systems (AC 110–230 V).
Load current monitoring: It measures the load current of single-phase IT system transformers using a special external current transformer (type ILT-W).
Temperature monitoring: The transformer's temperature is reliably monitored using PTC thermistors or break contacts.
Insulation Fault Detection (IFS)
The ILT-710-V.5 features an integrated test signal generator.
In combination with at least one insulation fault detection device (e.g., the IFS-710-W6), it can be expanded into a complete insulation fault detection system in accordance with IEC 61557-9.
If a fault occurs, a test signal is fed in, which allows the defective outgoing circuit to be exactly localized and its name (e.g., fuse designation) to be shown on the display.
Operation and Display
The device is equipped with a full-graphics LCD display (128x64 pixels with white backlighting), which clearly shows all operating and fault messages in plain text.
A multi-coloured "Status" LED indicates the current operating status at a glance (e.g., green for normal operation, flashing red for device errors, yellow when response values are exceeded).
User-friendly parameterization is carried out via four control keys.
A non-volatile message memory logs up to 200 events with a date and time stamp.
Communication and Interfaces
All messages are transmitted to peripheral operating and annunciator terminals via the integrated CAN bus (CAN 2.0, Protocol: ESA-CAN).
The device supports the Modbus RTU protocol (as a slave) via an RS485 interface.
Two configurable connections for fault signalling relays enable easy integration into the building control technology (BSCS).
Safety and Standard Compliance
The ILT-710-V.5 performs continuous automatic self-monitoring, including a PE and KE connection test every 30 minutes, as well as checking the transformer connections for interruptions and short circuits.
An integrated test alarm function monitors the operator's obligation to carry out periodic inspections (e.g., according to DIN VDE 0100-710).
The device is CB-certified by VDE and meets international standards such as IEC 61557-1, IEC 61557-8, IEC 61557-9, and IEC 61010-1.
IFS-STL-710-W6
The IFS-STL-710-W6 is an advanced insulation fault detection device designed as an integral component of insulation fault detection systems, specifically for medical locations in accordance with DIN VDE 0100-710. The device enables the fast and automatic localization of faulty current circuits during operation, eliminating the need for time-consuming manual fault detection.
Main Features and Technical Specifications
Integrated measuring current transformers: The device is equipped with six integrated measuring current transformers to separately detect test currents for each outgoing circuit.
Parallel measurement recording: The detection and processing of measured values is carried out in parallel on all channels (no multiplex procedure), ensuring immediate evaluation.
High-precision evaluation range: The evaluation range for leakage currents is 5 µA to 2.5 mA.
CAN bus integration: Both the power supply (DC 15...30 V) and all communication are carried out efficiently via the CAN bus.
System Integration and Operation within the HospEC® System
The IFS-STL-710-W6 operates in conjunction with a test current generator, which is either external (e.g., IFS-710-PSG) or integrated internally within higher-level monitoring devices such as the UEI-710-V.5, ILT-710-V.5, or ILT-107-V.4.
If the insulation resistance in the IT system falls below a defined value, the generator feeds a test signal into the system (limited to max. 1 mA in medical locations).
The IFS-STL-710-W6 detects this signal and transmits the exact data of the faulty circuit via the CAN bus to the higher-level monitoring device as well as to peripheral annunciator terminals.
The system is highly scalable: up to 16 IFS-STL-710-W6 devices can be combined to monitor a maximum of 96 measurement channels per IT system.
Operation and Display
The device operates fully automatically and requires no handling during operation; no manual intervention is needed.
Eight multi-coloured LEDs on the front visualize the system status: one Status LED, one CAN LED for communication monitoring, and six channel-specific LEDs (T1 to T6).
The channel LEDs light up green when the insulation is intact and change to yellow when an insulation fault is detected.
Installation and Standard Compliance
The device fulfills the strict requirements of DIN VDE 0100-710 (VDE 0100 Part 710) for medical areas and carries the CE mark.
It is installed as a rail-mounted device on a standard top-hat rail in accordance with DIN EN 60715.
BMTI Touch
The BMTI Touch is a modern operating and annunciator terminal with touch function, specifically designed for monitoring power supply systems in medical locations in accordance with DIN VDE 0100-710. As a central component of the HospEC® system, it consolidates the display of operating and fault messages from connected field devices (such as SPR, ILT, or UEI-710 devices) and third-party systems.
Display and Operating Concept
Touchscreen: The device features a 5-inch, touch-sensitive full-graphic display (480 x 854 pixels), which enables intuitive and clear navigation.
Status LED and Acoustics: A multi-colored status LED on the edge of the housing indicates the current system status at a glance (Green for normal operation, Yellow for warnings, Red for faults). This is supported by an integrated acoustic signaling device (horn).
Cleaning Mode: For use in sterile hospital environments, the terminal offers a special cleaning mode that locks the display for at least 10 seconds to prevent accidental inputs while wiping.
Functional Areas (Trades) The BMTI Touch is highly adaptable and, depending on the project configuration, combines the monitoring and control of various technical systems:
Power Supply: Monitoring of insulation resistance, changeover devices, and battery-based central power supply systems (BPS). Furthermore, insulation tests (ISO tests) on connected IT system monitoring devices can be triggered manually directly via the display.
Room Control: Manual control of operating theatre lighting, blinds, and switching functions for X-ray and laser equipment.
Air Conditioning: Display of actual values as well as setting of target temperature, humidity, and operating modes for room air conditioning systems.
Medical Gases: Status monitoring of medical gas supplies, such as oxygen, vacuum, and compressed air.
Communication and Data Logging
Interfaces: Data transmission to field and third-party devices is securely handled via CAN bus and Modbus interfaces. The device is also equipped with Ethernet, USB, and digital outputs.
History Memory: An integrated event memory stores the 200 most recent messages with the exact date, time, and error source, allowing fault histories to be precisely traced.
Installation and Housing The BMTI Touch can be flexibly installed in cavity walls, flush-mounted, or surface-mounted with a corresponding housing. The front panel is liquid- and dust-resistant with an IP54 protection class, while the rear features an IP20 rating.