LE / LX Molded Case Electronic Circuit Breakers

Combine sensitive measuring capabilities with sophisticated logic.

LE/LX molded case circuit breakers use electronic trip systems to automatically open a circuit under overload or short circuit conditions.

LE/LX Features
  • Available in 3 pole design
  • Available from 100-600A at up to 600 Vac
  • Interrupting ratings of 65 kA at 480 Vac
  • Available with standard (80%) and 100% rating (600A sensor are 80% rated only)
  • Shunt trip, Under voltage release, auxiliary switches, alarm switches, and Handle padlock attachment are available for field-installation for flexibility
  • Optional ground fault protection as factory-installed option only
  • Interchangeable rating plugs available
  • Zone-selective interlocking on short-time and ground-fault
  • Local trip indicators for overload, short circuit and ground fault
  • Available in Unit-mount, and I-line constructions
  • UL 489 Listed, CSA, IEC certified
Square D logo

Applications

  • Commercial Buildings
  • Industrial Buildings

For a complete listing of documentation for this product, please consult the Technical Library.

Brochures
Commercial and Industrial Circuit Breakers for OEM Applications 0106BR9806
Catalogs
Electronic Trip Molded Case Circuit Breakers (LE/LX/LXI/ME/MX/NE/NX/PE/PX) 0602CT9201
Data Bulletins
Ground-Fault Alarm for LE, ME, NE, PE, and SE Electronic Trip Circuit Breakers Using RIM32 and AROMAT Relay 0502DB0001
Special Cabling Requirements for 100% Rated Devices Used in Switchboards 2700DB0203
declarations
Molded Case Circuit Breakers with Electronic Trip Units01
Instruction Bulletins
AHPALI Handle Padlock Attachments (Use With LC, LI, LX and LE circuit breakers) 48040-920-03
AL400IL7 Lug Kit - (For IL Circuit Breakers) 48040-461-03
AL600IN Insert Kit 48040-770-02
AL600LI35, AL600LI35T, CU600LI35, AL600LI5, AL600LI5T, CU600LI5, AL600LI7 and CU600LI7 Lug Kits (LC, LI, LE, LX, LXI Circuit Breakers) 48040-734-02
Compression Connector Installation for 80 A Factory-Configured LE Circuit Breakers. Tri-lingual. 48041-052-01
Field-installable Accessories (LC, LI, LE and LX Circuit Breakers) 48040-869-03
HPAFYQ, HPAFK, HPALM and HPANE Handle Padlock Attachments (For Use With Q2, Q4 and F, K, L, M and N-Frame Circuit Breakers) 48040-853-04
Installation Instructions Lug Kit Cat. No. VC-400-IL35 VERSAtile Lug Kit 48040-700-01
LE, LX and LXI Electronic Trip Circuit Breakers with Micrologic Series B Trip Systems 48049-027-02
MAHEX and AHEXLI Handle Extension 48049-118-01
RIM32 Restraint Interface Module 48040-682-04
S48890 and S48895 Restraint Interface Modules (RIM) 48041-006-03
Termination Covers 48044-002-04
Universal Test Set for Electronic Trip Circuit Breakers 48040-976-02
VC250LI3 Lug Kit (LE, LX, and LXI Circuit Breakers) 48049-578-01
VC600LI3, VC600LI5, CVC600LI5, AND VC600LI7 VERSAtile TM Lug Kits (LC, LI, LE, LX, AND LXI Circuit Breakers) 48040-921-02
trip curves
600 A FRAME CIRCUIT BREAKERS Ll,LXI 450-600 A 2,3 830-13,14
600 A FRAME FULL FUNCTION LE 250-600 A G 661-5
600 A FRAME STANDARD FUNCTION LX/LXI 250-600 A G 661-4
661-1 LE ELECTRONIC TRIP MOLDED CASE CIRCUIT BREAKERS LS (LSI) CHARACTERISTIC TRIP CURVE 661-1
661-2 LE ELECTRONIC TRIP MOLDED CASE CIRCUIT BREAKERS LI CHARACTERISTIC TRIP CURVE 661-2
661-3 LX AND LXI ELECTRONIC TRIP MOLDED CASE CIRCUIT BREAKERS CHARACTERISTIC TRIP CURVE 661-3
830-11, -12 I-LIMITER® CURRENT LIMITING CIRCUIT BREAKERS LI Series 1 and LXI Series 1B 830-11, -12
830-15,-16 I-LIMITER CURRENT LIMITING CIRCUIT BREAKERS LI Series 2, 3 and LXI Series 2B, 3B 830-15,-16
830-17,-18 I-LIMITER® CURRENT LIMITING CIRCUIT BREAKERS LI Series 2, 3 and LXI Series 2B, 3B 830-17,-18