27B Battery Ground Detector Relay

Overview
Tools
Service & Support
Product Registration
Contacts

The type 27B relay is used to detect grounds on the normally ungrounded DC control power bus and to indicate whether the ground is on the positive or negative conductor.

Downloads

Relay Selection Guide - Version 17 (English - exe - Software)
Protection & control services for ANSI products (English - pdf - Bulletin)
27B Battery Ground Detector Relay (English - pdf - Bulletin)
Relay Services (English - pdf - Presentation)
Pilot Protective Relaying Theory Book Order Form (English - htm - Form)
Substation Automation Handbook (English - pdf - Form)
27S Undervoltage Relay, 27B Battery Ground Detector Relay, 74 Trip Circuit Supervision Relay (English - pdf - Manual)

Products & Services only

Rate this page

positive negative

Thank you for your feedback!

Your comments:

E-mail / contact information (optional):

Cancel
Share this page
- Twitter
- Facebook
- LinkedIn
- Weibo
- Print
- Email
Your e-mail address*

You must enter (one) valid e-mail address

Send to e-mail address*

You must enter (one) valid e-mail address

Please type one email address only

Your personal note*

You must enter a message

Cancel

Your preferences:

ABB contact for India

Sales: Bhavesh Choxi

Service: Mukund Khonde