Generac Power Systems RTSX100A3 User manual

DESCRIPTION STANDARD FEATURES
Generac Nexus Smart Switches are designed for use with single phase
generators 60kW and below. The 100, 150, 200 and 400 amp open
transition switches are available in single phase in both service rated and
non-service rated configurations.
All Nexus Smart Switches are housed in an aluminum NEMA/UL Type
3R enclosure*, with electrostatically applied and baked powder paint.
The Heavy Duty Generac Contactor is a UL recognized device, designed
for years of service. The control at the generator handles all the timing,
sensing and exercising functions.
* The 400 amp Non-Service Rated Switch is housed in a steel enclosure.
100 - 400 Amps, Single Phase
®
GENERAC®NEXUS SMART SWITCH™
With Digital Load Management Technology
Through the use of Digital Load Management technology (DLM), each
of these switches has the capability to truly manage two air conditioning
loads with no additional hardware. When used in tandem with the
individual DLM modules, up to four more additional loads can be
intelligently managed individually.
DLM TECHNOLOGY

Model RTSX100A3 RTSD100A3 RTSD150A3 RTSX200A3 RTSD200A3 RTSX400A3 RTSD400A3
Amps 100 100 150 200 200 400 400
Voltage 120/240, 1ø 120/240, 1ø 120/240, 1ø 120/240, 1ø 120/240, 1ø 120/240, 1ø 120/240, 1ø
Load Transition Type
(Automatic)
Open Transition Open Transition
Service Rated
Open Transition
Service Rated
Open Transition Open Transition
Service Rated
Open Transition Open Transition
Service Rated
Enclosure Type NEMA 3R NEMA 3R NEMA 3R NEMA 3R NEMA 3R NEMA 3R NEMA 3R
UL Rating UL/CUL UL UL UL/CUL UL UL/CUL UL
Withstand Rating
(Amps) 10,000 10,000 22,000 10,000 22,000 18,000 22,000
Lug Range 2/0 - #14 400 MCM - #4 600 MCM - #4 or 2-250 MCM
Unit Weight – lbs.
kilos
20
9.07
22.5
9.97
39
17.69
20
9.07
39
17.69
133
60.32
140
63.50
Nexus Smart Switch™ 100-400 amps, Single Phase
®
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2011 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0186670SBY-E / Printed in U.S.A. 05/06/11
FUNCTIONS
All Timing and sensing functions originate in the generator controller
Utility voltage drop-out......................................................................................................................................................................................................................<60%
Timer to generator start ...................................................................................................................................... 10 second factory set, adjustable between 10-30 seconds
Engine warm up delay .................................................................................................................................................................................................................5 seconds
Standby voltage sensor ..................................................................................................................................................................................................60% for 5 seconds
Utility voltage pickup.........................................................................................................................................................................................................................>80%
Re-transfer time delay ............................................................................................................................................................................................................... 15 seconds
Engine cool-down timer ............................................................................................................................................................................................................60 seconds
Exerciser .............................................................................................................................................................................................................. 12 minutes every 7 days
The transfer switch can be operated manually without power applied.
SPECIFICATIONS
EXTERNAL DIMENSIONS
H2
DEPTH
H1
W2
W1
H2
DEPTH
H1
W2
W1
100 Amps 120/240, 1ø
Open Transition
100 Amps 120/240, 1ø
Open Transition Service Rated
Height Width Depth Height Width Depth
H1 H2 W1 W2 H1 H2 W1 W2
Inches 17.24 20 12.5 14.6 7.09 17.24 20 12.5 14.6 7.09
mm 438.0 508.4 318.0 372.0 180.0 438.0 508.4 318.0 372.0 180.0
200 Amps 120/240, 1ø
Open Transition
150 & 200 Amps 120/240, 1ø
Open Transition Service Rated
Height Width Depth Height Width Depth
H1 H2 W1 W2 H1 H2 W1 W2
Inches 17.24 20 12.5 14.6 7.09 27.24 30.0 11.4 13.5 7.09
mm 438.0 508.4 318.0 372.0 180.0 692.0 762.4 289.0 343.0 180.0
400 Amps 120/240, 1ø
Open Transition
400 Amps 120/240, 1ø
Open Transition Service Rated
Height Width Depth Height Width Depth
H1 H2 W1 W2 H1 H2 W1 W2
Inches 31.25 36.0 19.18 24.0 10.06 42.91 48.0 16.69 21.82 10.06
mm 794.0 917.0 487.0 609.6 255.5 1090.0 1219.3 424.0 554.3 255.5