Installation Guide for SEL models including: SEL-2401, SEL-9322, SEL-3505, SEL-2725, SEL-3622, SEL-3061, SEL-851 Feeder Protection Relay, SEL-851, Feeder Protection Relay, Protection Relay, Relay

SEL-851 Enclosure Accessory Installation Instructions

SEL

SEL-851 Enclosure Accessory Installation Instructions

2 дня назад — Installation Instructions. Page 2. 2. SEL-851 Relay Enclosure Installation Instructions. Date Code 20250501. © 2025 by Schweitzer Engineering Laboratories, Inc ...

6 дней назад — Unless otherwise agreed in writing, all SEL product sales are subject to SEL's terms and conditions located here: https://selinc.com/company ...


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851 IS-EnclosureInstall 20250501
SEL-851 Enclosure Accessory Installation Instructions

Installation Steps

Step 1. Install an SEL-2401 Satellite-Synchronized Clock Step 2. Install an SEL-9322 15 VDC Power Supply at

at the position shown on the rear panel of the

the position shown on the side wall of the enclo-

enclosure by using two #8-32 x 1.25" length

sure by using four #10-32 x 3/8" length screws.

screws.

Step 3. Install an SEL-3505 Real-Time Automation Controller (RTAC), SEL-2725 Five-Port Ethernet Switch, SEL-3622 Security Gateway, or SEL-3061 Cellular Router at the corresponding position shown on the rear panel by using four #10-32 x 3/8" length screws.

SEL-3505
Date Code 20250501

SEL-2725
SEL-851 Relay Enclosure Installation Instructions

2

SEL-3622

SEL-3061

Technical Support
We appreciate your interest in SEL products and services. If you have questions or comments, contact us at:
Schweitzer Engineering Laboratories, Inc. 2350 NE Hopkins Court Pullman, WA 99163-5603 U.S.A. Tel: +1.509.338.3838 Fax: +1.509.332.7990 Internet: selinc.com/support Email: info@selinc.com

WARNING
Operator safety may be impaired if the device is used in a manner not
specified by SEL.

AVERTISSEMENT
La sécurité de l'opérateur peut être compromise si l'appareil est utilisé
d'une façon non indiquée par SEL.

CAUTION
Equipment components are sensitive to electrostatic discharge (ESD). Undetectable permanent damage can result if you do not use proper ESD procedures. Ground yourself, your work surface, and this equipment before removing any cover from this equipment. If your facility is not equipped to work with these components, contact SEL about returning this device and related SEL equipment for service.

ATTENTION
Les composants de cet équipement sont sensibles aux décharges électrostatiques (DES). Des dommages permanents non-décelables peuvent résulter de l'absence de précautions contre les DES. Raccordez-vous correctement à la terre, ainsi que la surface de travail et l'appareil avant d'en retirer un panneau. Si vous n'êtes pas équipés pour travailler avec ce type de composants, contacter SEL afin de retourner l'appareil pour un service en usine.

© 2025 by Schweitzer Engineering Laboratories, Inc.
Content subject to change without notice.
Unless otherwise agreed in writing, all SEL product sales are subject to SEL's terms and conditions located here: https://selinc.com/company/termsandconditions/.

2350 NE Hopkins Court · Pullman, WA 99163-5603 U.S.A. Tel: +1.509.332.1890 · Fax: +1.509.332.7990 selinc.com · info@selinc.com

SEL-851 Relay Enclosure Installation Instructions

*PLS851-02*
Date Code 20250501



References

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