SEL-751A Schweitzer Feeder Protection Relay 751A02D0B0X73810000 24/48V DC OEM

Protection Relay · Refurbished

Schweitzer Engineering Laboratories
751A02D0B0X73810000

SEL-751A Feeder Protection Relay · 24/48V DC · Hazardous Location Rated

Schweitzer Engineering Laboratories (SEL) feeder protection relay. This high-performance unit provides comprehensive protection, monitoring, and control for industrial and utility power systems.

✅ EU Compliant

CE · UL Listed · ATEX Hazardous Location Certified

INDUSTRIAL PROTECTION

Advanced Feeder
Management & Control

The SEL-751A monitors phase, ground, and neutral overcurrent conditions to protect electrical distribution systems. It utilizes high-speed logic and programmable elements to trip circuit breakers during faults, ensuring system stability and equipment safety.

Product Details

At a glance.

Product Information

Brand

Schweitzer Engineering Laboratories

Model / MPN

751A02D0B0X73810000

Condition

Refurbished

Key Features & Benefits

Built for
professionals.

🛡️

Comprehensive Protection

Enhanced System Reliability

Features phase, ground, neutral, and negative-sequence overcurrent protection along with frequency monitoring.
✅

Hazardous Location Certified

Versatile Deployment

Certified for Class I, Division 2 and ATEX Zone 2 environments, suitable for oil, gas, and chemical industries.
✓

Rugged Design

Extreme Environment Performance

Operates reliably in temperatures ranging from -40°C to +85°C with an IP65-rated front panel.
✓

Flexible Power Supply

Low Voltage Compatibility

Equipped with a 24/48V DC power supply unit for integration into standard industrial control circuits.
✓

Advanced Communication

Seamless Integration

Includes front-panel EIA-232 port and rear terminal ports for SCADA and local configuration.
✓

American Engineering

Proven Quality

Designed and manufactured in the USA by Schweitzer Engineering Laboratories, the industry leader in digital protection.

Technical Data

Detailed Specifications.

Supply Voltage Range 24/48V DC
VA Rating 20W
Internal Fuse T3.15A H 250V
Rated Impulse Withstand (Uimp) 4kV
Insulation Voltage (Ui) 300V
Contact Output Voltage 240V AC Max
Thermal Current (Ith) 5A
Utilization Category AC-15
Contact Rating Designation B300
Short-Circuit Rating 1kA
Operating Temperature Range -40°C to +85°C
Enclosure Rating Type 12, IP65 (Front)
Terminal Protection IP20
Wire Size Range 26 to 12 AWG
Tightening Torque 7 lb-in (0.79 Nm)

Applications & Compatibility

Where it excels.

→ Distribution Feeder Protection
→ Industrial Power System Monitoring
→ Hazardous Area Control Systems
→ Retrofit of Electromechanical Relays

Not suitable for

✕ Residential electrical panels
✕ Installation by non-qualified persons (High Voltage Electrical regulations)