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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
Model
RTSX100A3
Amps
100
Voltage
120/240, 1ø
Load Transition Type
Open Transition
(Automatic)
Enclosure Type
NEMA 3R
UL Rating
UL/CUL
Withstand Rating
(Amps)
10,000
Lug Range
Unit Weight – lbs.
20
9.07
kilos
EXTERNAL DIMENSIONS
100 Amps 120/240, 1ø
Open Transition
Height
Width
H1
H2
W1
Inches 17.24
20
12.5
mm 438.0
508.4
318.0
200 Amps 120/240, 1ø
Open Transition
Height
Width
H1
H2
W1
Inches 17.24
20
12.5
mm 438.0
508.4
318.0
400 Amps 120/240, 1ø
Open Transition
Height
Width
H1
H2
W1
Inches 31.25
36.0
19.18
mm 794.0
917.0
487.0
®
RTSD100A3
RTSD150A3
100
150
120/240, 1ø
120/240, 1ø
Open Transition
Open Transition
Service Rated
Service Rated
NEMA 3R
NEMA 3R
UL
10,000
22,000
2/0 - #14
22.5
9.97
17.69
100 Amps 120/240, 1ø
Open Transition Service Rated
Height
Depth
W2
H1
H2
14.6
7.09
17.24
20
372.0
180.0
438.0
508.4
318.0
150 & 200 Amps 120/240, 1ø
Open Transition Service Rated
Height
Depth
W2
H1
H2
14.6
7.09
27.24
30.0
372.0
180.0
692.0
762.4
289.0
400 Amps 120/240, 1ø
Open Transition Service Rated
Height
Depth
W2
H1
H2
24.0
10.06
42.91
48.0
16.69
609.6
255.5 1090.0 1219.3 424.0
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
Nexus Smart Switch™ 100-400 amps, Single Phase
RTSX200A3
200
120/240, 1ø
Open Transition
NEMA 3R
UL
UL/CUL
10,000
400 MCM - #4
39
20
9.07
Width
Depth
W1
W2
12.5
14.6
7.09
372.0
180.0
DEPTH
Width
Depth
W1
W2
11.4
13.5
7.09
343.0
180.0
Width
Depth
W1
W2
21.82
10.06
554.3
255.5
DEPTH
RTSD200A3
RTSX400A3
200
400
120/240, 1ø
120/240, 1ø
Open Transition
Open Transition
Service Rated
NEMA 3R
NEMA 3R
UL
UL/CUL
22,000
18,000
600 MCM - #4 or 2-250 MCM
39
133
17.69
60.32
W1
H2
W2
W1
H2
W2
RTSD400A3
400
120/240, 1ø
Open Transition
Service Rated
NEMA 3R
UL
22,000
140
63.50
H1
H1
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