Model RTS10EZA1 RTS12EZA1 RTS14EZA1 RTS16EZA1
Voltage 240, 1ø 240, 1ø 240, 1ø 240, 1ø
Circuits***50A, 240V – – – 1
40A, 240V – 1 1 1
30A, 240V 1 1 – –
20A, 240V 1 – 1 1
20A, 120V 3365
15A, 120V 3545
Phase 1
Rated AC Frequency 60 Hz
Enclosure Material Steel
Enclosure Type NEMA 1
Unit Weight (lbs./kilos) 57/25.9 60.8/27.5 64/29 68/30.8
Withstand Rating (Amps) 10,000
Lug Range 2/0 - #14
Load Transition Type Open Transition
Wire Gauge (Hot, Neutral, Ground, Control) 10, 10, 10, 18 8, 8, 10, 18 6, 6, 8, 18 6, 6, 8, 18
FUNCTIONS

Generac EZ Switch™

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
®
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2012 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0186640SBY-D / Printed in U.S.A. 02/17/12
EZ Switch™ Features
• Electrically operated, mechanically-held contacts for fast, positive connections.
• Rated for all classes of load, 100% equipment rated, both inductive and resistive.
• 2 pole, 250 VAC contactors.
• 160 millisecond transfer time.
• Dual coil design.
• Main contacts are silver plated or silver alloy to resist welding and sticking.
• NEMA 1 (indoor rated) enclosure is standard on the 100 amp switch.
• 2 Year Limited Warranty
Mechanical Dimensions (in inches/mm)
Current
Rating
No. of
Poles
Height Width Depth
H1 H2 W1 W2
7/177.8100 UL Listed 2 26.5/673.1 29.25/742.9 8.14/206.7 12.5/317.5
Terminal Wire Ranges
ATS Rated Amps Switch Terminal Neutral Lug/Stud Ground Lug
100A 2-Pole UL 1 x 1/0-12 1 x 3/8-16 Stud 1 x 2/0-14
731.9
[28.8]
637.6
[25.1]

LEFT SIDE VIEW

642
[25.3] 76.2 [3.0]
PEA GRAVEL
MINIMUM

TRANSFER

SWITCH

8KW - 17KW

(IF SUPPLIED)

TRANSFER

SWITCH

20KW

(IF SUPPLIED)

1218
[47.9]

FRONT VIEW

1226
[48.3]
H2
H1
W1
W2
H2
H1
W1
W2
®