Protective relays

Our comprehensive portfolio of protection technology enables reliable grid availability in the voltage ranges of 10 kV to 110 kV. The protective and control devices can be used in, for example, single and double busbar applications, as well as radial, looped, and meshed grids. They can also be used in insulated, compensated, rigid, and low-resistance grounded grids.

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Go to Product Detail Page for item 1566874

POWERSAVE-TAB-DI08 - Protective and control device

POWERSAVE-TAB-DI08 - Protective and control device

1566874

The POWERSAVE-TAB-DI08 is a protective and control device with 8 digital inputs and outputs designed for use in TAB cabinets and medium voltage systems. It offers the following protection functions: directional/non-directional overcurrent protection, ground-fault protection, undervoltage and surge protection, frequency protection, asymmetry protection, inrush stabilization, current/voltage, AWE, PAV-E protection, decoupling protection, Q-U protection (optional)

Go to Product Detail Page for item 1510810

AXC F XT PMP 1000V AC - Function module

AXC F XT PMP 1000V AC - Function module

1510810

Left-alignable extension module (power measurement protection), for connection to an AXC F 2152 PLCnext controller. To connect to the controller, you can use the PMP app, which can be downloaded in the plcnextstore.

Go to Product Detail Page for item 1584666

POWERSAVE-TAB-SW-QU - Software package

POWERSAVE-TAB-SW-QU - Software package

1584666

The POWERSAVE-TAB-SW-QU software option offers the possibility of adding the QU protection functionality to the POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08. The software option can only be ordered for an existing POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08 device by specifying the serial number.

Go to Product Detail Page for item 1584665

POWERSAVE-TAB-SW-AU - Software package

POWERSAVE-TAB-SW-AU - Software package

1584665

The POWERSAVE-TAB-SW-AU software option offers the possibility of adding the system automation function to the POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08. The software option can only be ordered for an existing POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08 device by specifying the serial number.

Go to Product Detail Page for item 1720522

SCHUTZRELAIS NETZSCHUTZ - Protective and control device

SCHUTZRELAIS NETZSCHUTZ - Protective and control device

1720522

Using the configurator, you can create the appropriate hardware version and optionally suitable software options from the POWERSAVE RN and RF protective relay types as well as KOMBISAVE+ RF, RN, RQ, and RL. Contact us if versions are required that cannot be selected via the configurator.

Go to Product Detail Page for item 1584663

POWERSAVE-TAB-SW-QU-AU - Software package

POWERSAVE-TAB-SW-QU-AU - Software package

1584663

The POWERSAVE-TAB-SW-QU-AU software option offers the possibility of adding the QU protection functionality and the system automation function to the POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08. The software option can only be ordered for an existing POWERSAVE-TAB-DI04 or POWERSAVE-TAB-DI08 device by specifying the serial number.

Go to Product Detail Page for item 1510824

AXC F XT PMP 100V AC - Function module

AXC F XT PMP 100V AC - Function module

1510824

Go to Product Detail Page for item 1270484

DIGICOM ADVANCED MULTIUSER - Configuration software

DIGICOM ADVANCED MULTIUSER - Configuration software

1270484

With DIGICOM ADVANCED MULTIUSER, you receive an unlimited company license for the operating and troubleshooting software. The software is used for configuring the KOMBISAVE+ and POWERSAVE protective and control device families. Moreover, the device status with measured values and status indicators is also available. The DIGIVIEW analysis tool is also integrated.

Go to Product Detail Page for item 1270482

DIGICOM ADVANCED - Software dongle

DIGICOM ADVANCED - Software dongle

1270482

The DIGICOM ADVANCED operating and fault analysis software is used for configuring the KOMBISAVE+ and POWERSAVE protective and control device families. Moreover, the device status with measured values and status indicators is also available. The DIGIVIEW analysis tool is also integrated.

Go to Product Detail Page for item 1270480

DIGICOM BASIC - Configuration software

DIGICOM BASIC - Configuration software

1270480

The DIGICOM BASIC operating and troubleshooting software is used for configuring the KOMBISAVE+ and POWERSAVE protective and control device families.

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Your advantages at a glance Digital protective relays for intelligent mains protection

Large functional scope with protection, control, and measurement functions in a compact design
Intuitive operation with clearly laid-out front panel and simple configuration options
Long service life with battery-free design and extremely low power consumption
Satisfies IT security requirements in accordance with the BDEW white paper

Which protective relay is right for me?

Protective relays of the KOMBISAVE+ product family on a wall

Intelligent mains protection with KOMBISAVE+

The protective relays of the KOMBISAVE+ product family are perfectly suited for use in the distribution grid. Motors, transformers, cables, and lines can be protected in switching devices with single or double busbars.
The devices include a large range of functions, from overcurrent protection through to QU protection, distance protection and line differential protection, synchro check, and automatic reconnection.

Transformer current-supplied mains protection with POWERSAVE

POWERSAVE is a compact and powerful protective relay with a
full range of protection, control, and measurement functions. With the optional integrated power management for direct triggering of the circuit breaker, the device solution is independent of the external power supply.

The combination of energy management and distance protection functions makes the protective relay indispensable as blackout protection.

Direct comparison of the protective relays

In just a few steps, identify the right system for you for reliable protection technology.


	KOMBISAVE+	POWERSAVE
Protective function
Overcurrent and motor protection	✔	✔
Feeder protection with distance protection, ground fault detection, and field control	✔	✔
Transformer differential protection with field control	✔	-
Line differential protection with distance protection, ground fault detection, and field control	✔	-
Device properties
Integrated power management (energy storage, converter power supply)	-	✔
Maximum number of current/voltage/sensor inputs	8/5/0	4/3/3
Freely configurable function keys/indicators	4/0	3/2
Maximum number of binary inputs and outputs	22/23	8/8

Further information

Our protective relays in detail

Further details such as technical data of the protective relays and information on the operating and fault analysis software is available in the brochure.

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