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SEL-751 & SEL-411L Protection Relays | Original SEL New

Name: SEL-751 & SEL-411L Protection Relays | Original SEL New
Brand: Shanghai Fradwell Industrial Automation Co., Ltd.
SKU: SEL-751、SEL-411L
Price: 227.00 USD
Availability: InStock

Product Details

Place of Origin: USA

Brand Name: SEL

Certification: IEEE / IEC 、CE & UL、ISO

Model Number: SEL-751、SEL-411L

Payment & Shipping Terms

Minimum Order Quantity: 1

Price: $450 - $5,500

Packaging Details: original package

Delivery Time: 3-5Workdays

Payment Terms: L/C,D/A,D/P,T/T,Western Union

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Product Details

Product Description

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                                                                                                                                                                                    SEL-751 protection relay original, SEL-411L breaker contactor relay, SEL protection relays with warranty
                      

Reliability Grade:	Utility Grade / Mission Critical	Protocol Support:	SEL Mirrored Bits / IEC 61850
Logic Engine:	SELogic Equations	Mounting Type:	Panel Mount / Rack Mount
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line	Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

Reliability Grade:	Utility Grade / Mission Critical
Protocol Support:	SEL Mirrored Bits / IEC 61850
Logic Engine:	SELogic Equations
Mounting Type:	Panel Mount / Rack Mount
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

SEL-751 & SEL-411L Protection Relays | Original SEL New

The SEL-751 and SEL-411L represent the pinnacle of power system protection. We supply original SEL numerical relays designed to safeguard feeders and transmission lines against faults. With SEL's legendary reputation for reliability and our commitment to providing 100% genuine, brand-new hardware, we ensure your utility or industrial power system remains secure under the most demanding conditions.

Product Highlights

Hardened Cybersecurity: Integrated secure communication protocols to protect critical infrastructure from cyber threats.
High-Speed Protection: Sub-cycle line differential and distance protection with the SEL-411L series.
Versatile Logic: Advanced SELogic allows for complex automation and interlocking without external PLCs.

Technical Specifications

Feature	SEL-751 (Feeder)	SEL-411L (Differential)
Primary Focus	Feeder Protection & Arc Flash	Line Differential & Distance
Communication	Ethernet, Modbus, DNP3	Dual Ethernet, Mirrored Bits
Arc Flash Support	Yes (Fiber Optic)	No
Protection Speed	Standard High-Speed	Sub-cycle Line Protection
Software Support	AcSELerator QuickSet	AcSELerator QuickSet

Application Fields

Utility Substations: Main and backup protection for transmission and distribution.
Renewable Energy: Secure integration of wind and solar farms.
Heavy Industry: Protection for large mining, chemical, and metal processing plants.
Microgrids: Advanced logic for islanding and synchronization.

Frequently Asked Questions

Q: Does the SEL-751 include arc flash sensors?

A: The relay supports arc flash detection, but fiber-optic sensors are typically ordered as separate accessories.

Q: Can I use the SEL-411L for long-distance transmission lines?

A: Yes, it is specifically designed for high-speed line differential and distance protection over fiber or serial links.

Q: Is the AcSELerator QuickSet software included?

A: We provide the necessary technical documentation; the software is usually available through SEL's official portal.

Q: How do you verify the 10-year warranty?

A: SEL products are famous for their 10-year warranty. We provide original units with valid serial numbers for registration.

Q: Are these units made in the USA?

A: Yes, SEL products are primarily engineered and manufactured in the USA.

Q: What is the configuration for a standard SEL-751-5-1-1-A?

A: This configuration typically includes standard I/O, 125/250 Vdc power, and standard communication ports.

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SEL-751 & SEL-411L Protection Relays | Original SEL New

SEL-751 protection relay original

SEL-411L breaker contactor relay

SEL protection relays with warranty

Contactor Relay,

Protection Relay,

Industrial Automation Control Systems

Drives & Motion Control

Electronic Components & Semiconductors

Industrial Sensors

Actuator Valve

Electrical Distribution

Industrial Communication Equipment