Protection Panel

SEL panels and enclosures offer advanced protection, control, automation, and communications solutions, all at varying levels of customization. Select from our ship-from-stock or configure-to-order panels.

SEL-7201 Feeder Protection Panel

SEL-7201 feeder protection panels provide advanced protection, control and communications for up to four feeders using either SEL-351S or SEL-751 Feeder Protection Modules with the following features:

Core features

Overcurrent, voltage, frequency, breaker failure, and power elements
Reclosing
Sync-check
Hot-line tagging
Remote breaker control via communications
Integration with zone-interlocked bus protection for the source bus (IEEE C37.234)
Battery and breaker wear monitoring
Sequential Events Recorder (SER)
Load profile reporting
Integration with advanced SEL-FT50 and SEL-FR12 Fault Transmitter and Receiver System distribution protection schemes
Dimensions of 92" high × 28" wide × 28" deep
Customizable wire labels to match your existing nomenclature
Customizable nameplates to meet your nomenclature needs
Drawing package

SEL-7202 Line Protection Panel

SEL-7202 line protection panels provide the most advanced and fastest protection and control for two-terminal, two-breaker transmission lines using phasors and time-domain technology. Select between phase distance, line current differential, and traveling-wave protection relays to obtain the following features

Core features

Fully redundant line current differential and/or distance protection
Main 1 line current differential and/or distance protection; Main 2 ultra-high-speed line protection
Pilot protection (DCB, POTT, or DCUB)
Direct transfer trip (DTT)
Overcurrent and directional elements
Breaker failure protection and reclosing for two breakers
Adaptive autoreclose cancel logic for hybrid lines
Sync-check
Trip circuit monitor
Local/remote operation for two breakers and one line switch
Hot-line tagging
Digital lockout and reset logic for two breakers (86BF1 and 86BF2)
Battery and breaker wear monitoring
Sequential Events Recorder (SER)
Load profile reporting
Traveling-wave-based fault locating and line monitoring
1 MHz sampling event records
Built-in event playback testing
Reliable control power from multiple sources using the SEL-RPM Redundant Power Module
Dimensions of 92" tall × 28" wide × 28" deep
Customizable wire labels to match your existing nomenclature
Customizable nameplates for your nomenclature needs
Drawing package

SEL-7203 Distribution Transformer Protection Panel

SEL-7203 panels provide advanced protection and control for distribution transformers with a single high-/low-side transformer zone boundary. These panels include the following features

Core features

Fully redundant differential protection
Restricted earth fault (REF) protection
Transformer through fault overcurrent backup protection
High-speed bus protection using a zone interlock (fast bus blocking) scheme with a partial differential accommodating a single bus-tie breaker
Time-coordinated system backup protection with a partial differential accommodating a single bus-tie breaker
Breaker failure protection
Trip circuit monitor
Transformer and breaker alarm monitoring
Remote breaker control via communications
Digital lockout and reset logic for 86T and 86BF
Battery and breaker wear monitoring
Sequential Events Recorder (SER)
Load profile reporting
Dimensions of 92" tall × 28" wide × 28" deep
Customizable wire labels to match your existing nomenclature
Customizable nameplates to meet your nomenclature needs
Drawing package
Automation and communications modules available

SEL-7206 Distribution Bus Differential Protection Panel

SEL-7206 panels provide optimized low-impedance bus differential protection for distribution buses with one main, one tie, and up to five feeders. These panels include the following features