Technical Specifications
Motor protection and control for a wide range of drives
Preconfigured motor protection functions
Delivered preconfigured and factory-tested for reduced engineering/commissioning time
Self-healing communication based on HSR/PRP with optional second Ethernet bus
Compact design suitable for new installations and retrofits
Withdrawable plug-in unit for easy installation and testing
Web-browser-based HMI with graphical I/O matrix
Supports IEC 61850 Edition 1 & 2, including GOOSE messaging
Preconfigured solutions for industrial and utility distribution applications
Main protection for generator and generator-transformer units
Fully configurable functionality for application-specific needs
Extensive protection, scalable hardware for demanding applications
All-in-one solution: protection, control, monitoring, supervision
Large integrated or detached HMI with configurable push buttons
Life-cycle service support
Generator differential protection, 3rd harmonic stator earth-fault, reverse power protection
Wide interconnection protection for distributed generation
Optional RTD/mA module: 8 RTD/mA inputs + 4 mA outputs
IEC 61850 Ed.1 with GOOSE messaging
Communication protocols: DNP3 (TCP/IP), IEC 60870-5-103
Supervises important control circuits: circuit-breakers, disconnectors, and signalling circuits
One relay per circuit; multiple relays can supervise branched circuits
Designed for COMBIFLEX system
Supply voltage range: 40–265 V DC
Continuous monitoring to prevent undetected faults
Preset operate time avoids unwanted alarms during circuit-breaker operation
LED indicator on the front panel shows relay operation
Detects bad contact, contact welding, and auxiliary voltage failures
For rail- or surface-mounted options, see SPER 1B1 C4
Centralized protection and control in one device
Station-wide visibility for efficient process management
Wide application coverage with optimal cost-effectiveness
Fully modular software for lifetime flexibility
Fast and cost-effective substation upgrade path
Designed for advanced substation digitalization
IEC 61850-compliant communication and interoperability
Supports up to 30 bays
Protection for feeders, transformers, motors, busbars, capacitor banks
Web-based HMI with station-level control
Disturbance recordings for the entire substation
IEC 61850-3 certified; built-in redundancy and self-supervision
Digital services covering the entire lifecycle
Continuous monitoring of trip circuits and other essential control circuits
One relay per circuit; multiple relays can supervise branched circuits
Standard 11-pin plug-in unit with corresponding terminal socket for rail mounting
Preset operate time to prevent unwanted alarms during circuit-breaker operation
LED indicator on front panel shows relay operation
Detects bad contacts, contact welding, and auxiliary voltage failures
Available in COMBIFLEX design (see SPER 1C1 and SPER 1C2)
