Network and system protection (ns protection) for monitoring the network feed-in from generating plants (9 pages)
Summary of Contents for Bender LifeGuard Series
Page 1
LifeGuard® Series Protection Panels LG_D00393_00_Q_XXEN / 05.2019 Quickstart...
Page 2
LifeGuard® Series LifeGuard® Protection Panels This document is intended as a reference guide for installing and using a Bender LifeGuard® series protection panel. This document includes installation, setup, and usage instructions. For complete instructions, including setup, use, and troubleshooting, refer to the LifeGuard user manual available online at benderinc.com.
Page 3
The enclosure must be penetrated in order to bring the line and load conductors to the protective circuit. Bender recommends making these penetrations on the bottom of the enclosure, and the use of NEMA 4X (minimum) fittings to maintain the environmental rating of the enclosure.
Page 4
LifeGuard® Series • All active conductors, including the neutral, must be brought into the device through the current transformer and connected to the line side of the contactor. • All active conductors are then brought out from the load side of the contactor to the load / remaining branch of the protected circuit.
Page 5
LifeGuard® Series Figure W3 - Three-Phase, Four-Wire Configurations (L1, L2, L3, N) Load Line Figure W4 - Single-Phase 120/240 V Configurations Note 1 (L1, L2, N) Note 1 Load Line Note 1: Disconnect switch, branch circuit protection and/or overload relay to be provided by installer. Note 2: Three-phase three-wire supplies can be solidly, or resistance grounded.
USA & Mexico Canada Latin America 800-356-4266 800-243-2438 +56 2 2933 4211 info@bender.org info@bender-ca.com info@bender-latinamerica.com less of ground fault condition. Once pushed in it dashed needs to be pulled out and twisted for the panel to resume normal function. This is only included in models which end in “-S”...
Page 7
LifeGuard® Series Digital Display Option Wiring - Control and Remote Indicator Wiring (Backplate Only) This section applies to LifeGuard model numbers ending in “-N-D”. Follow the standard wir- ing instructions shown above. Additionally, backplate-only models can be connected to ad- ditional devices for remote capabilities.
Page 8
UL 508A Industrial Control Panels All rights reserved. Reprinting and duplicating only with permission of the publisher. USA: Bender Inc. Canada: Bender Canada Inc. 420 Eagleview Blvd. 5810 Ambler Drive, Unit 1 Exton, PA 19341 Mississauga, ON L4W 4J5 Toll-Free 800-356-4266 Toll-Free: 800-243-2438 Phone: 610-383-9200 •...
Need help?
Do you have a question about the LifeGuard Series and is the answer not in the manual?
Questions and answers