Description
SMC LET-400 Primary Injection Meter Repair Services
When your EuroSMC SMC LET-400 needs service, June Company provides component-level repair and traceable calibration. Our technicians have deep experience with primary injection tester equipment and routinely bring these units back to manufacturer specifications.
About the EuroSMC SMC LET-400
Used across demanding applications, primary injection testers generate high currents (hundreds to thousands of amps) to test circuit breakers, protective relays, and CT ratios by injecting current through the primary circuit. Keeping the EuroSMC SMC LET-400 within specification protects measurement integrity and ensures compliance with industry standards.
Common Primary Injection Tester Issues We Repair
Each repair includes comprehensive service:
- Output transformer saturation: diagnosed through systematic testing and resolved with component-level repair
- Current measurement shunt drift: identified during our multi-point inspection and corrected to restore specification performance
- Control circuit faults: addressed with OEM-grade components and verified against traceable standards
- Contactor wear: repaired by technicians experienced with EuroSMC instrumentation
- Cooling system failures: resolved through targeted diagnostics and precision repair techniques
Calibration and Performance Verification
Calibration is integral to our repair process. Your EuroSMC SMC LET-400 is tested for CT ratio test, breaker trip testing, and burden test accuracy, with all results recorded and provided with the returned instrument.
Why Choose June Company for EuroSMC Repair?
Reasons professionals trust June Company:
- Traceable Calibration: NIST-traceable calibration certificates included with every repair
- 90-Day Warranty: All repairs backed by our parts and labor warranty
- OEM-Grade Parts: Genuine or equivalent components for lasting reliability
- Category Specialists: Dedicated experience with primary injection tester equipment from EuroSMC and related manufacturers
- Nationwide Service: Secure shipping and service for customers across the United States
- Fast Turnaround: Most repairs completed in 5–10 business days
From Intake to Return
- Free Evaluation: Ship your EuroSMC SMC LET-400 to our facility. We provide a detailed assessment and firm quote at no cost.
- Expert Repair: Certified technicians perform output transformer restoration, current shunt recalibration, contactor replacement, and high-current output verification.
- Calibration: Full NIST-traceable calibration with documented results across all critical parameters.
- Quality Verification: Final functional testing confirms your instrument meets or exceeds original specifications.
- Return Shipment: Securely packaged and shipped with calibration certificate and repair documentation.
Industries We Serve
The EuroSMC SMC LET-400 is used by substation commissioning teams, switchgear manufacturers, utility protection engineers, and industrial plant electricians. June Company understands the operational demands of these fields and the importance of keeping critical test equipment in service.
Request a Repair Quote
Contact June Company for professional EuroSMC SMC LET-400 repair and calibration. Our team is ready to evaluate your instrument and provide a no-obligation quote.
Email: info@juneusa.com






