Overview
The LEA International A70-00-5007 is an industrial-grade AC surge protector designed to shield three-phase equipment from transient overvoltages and power surges. Rated for 120/208V 3-phase wye configurations with a 352kA suppression capacity, this TVSS (transient voltage surge suppressor) device protects against damage from lightning strikes, utility switching events, and other electrical disturbances. Housed in a durable NEMA 4X enclosure, it is suitable for harsh indoor and outdoor environments.
Key Features
- 120/208V AC 3-phase wye configuration with 50/60Hz operation
- 352kA maximum surge current rating for robust overvoltage suppression
- MOV (metal oxide varistor) linear sharing technology ensures even load distribution across phases
- NEMA 4X stainless steel or powder-coated steel enclosure resists corrosion
- UL 1449 certification for electrical safety and performance standards
- #10 AWG rated leads for secure terminal connections
Technical Specifications
- Input Voltage: 120/208V AC 3-phase wye
- Frequency: 50/60Hz
- Surge Current Capacity: 120 kA per phase
- Peak Surge Rating: 352kA
- Protection Technology: MOV linear sharing
- Enclosure Type: NEMA 4X
- Wire Gauge: #10 AWG leads
- Certification: UL 1449
- Installation: Panel mount
Typical Applications
- Industrial control systems and PLC installations
- Motor drives and servo amplifiers
- Data centers and communications equipment
- Manufacturing facilities with variable frequency drives
- Outdoor electrical enclosures and HVAC systems
- Power distribution panels in harsh environments
Compatibility & Replacements
Compatible With
- Industrial AC power systems rated 120/208V 3-phase
- NEMA 4X enclosures and outdoor cabinet installations
- Three-phase motor controllers and VFD (variable frequency drive) systems
- Standard panel-mounted electrical distribution systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator or LEA International before ordering replacement units, as surge protector compatibility depends on exact voltage, phase configuration, and enclosure specifications.
Works With
- Standard three-phase AC power distribution networks
- Utility AC mains (120/208V wye derived from 277/480V systems)
- Industrial control cabinets with NEMA-rated construction
- Single and multi-unit surge suppression systems
