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Motor Coach ~ RV ~ Marine
Automatic Transfer Switches -
Todd Engineering Replacements |
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Section
#2... 50 AMP Model.... 2
or 3 Wire For Marine or RV Applications |
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AUTOMATIC
SWITCHOVER: Switch from power cord to generator simply by starting
generator! |
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A... 17-REL35050 Heavy Duty Relay Overview
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B...
Electrical Overview - 35050 & 35075
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Click To Enlarge
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL35050 **** |
2 or 3 Wire |
50 Amp Max |
8" x 8" x 5" |
12 Lbs |
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**** This Part Number Is
Superseded
By 17-REL36050... See Below... |
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Automatic Transfer
Switches |
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Section
#2 A... 50 AMP Model.... 2
or 3 Wire For Marine or RV Applications |
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AUTOMATIC
SWITCHOVER: Switch from power cord to generator simply by starting
generator! |
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A... 17-REL36050 Heavy Duty Relay Overview
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B...
Electrical Overview - 17-REL36050
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 Click To Enlarge
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL36050 |
2 or 3 Wire |
50 Amp Max |
8" x 8" x 5" |
12 Lbs |
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Replaces Todd TS30-30 Units |
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Replaces Todd TS-50... 120V 2 Wire/Ground 50 Amp Units |
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Replaces Todd TS-50S... 120/240V 3 Wire/Ground 50 Amp Units |
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Replaces Todd PS250, 260S & 262S... 240V 3 Wire/Ground 50 Amp Units |
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Automatic Transfer
Switches |
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Section
#2 B... 30 & 50 AMP Models... 2
or 3 Wire For Marine or RV Applications |
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AUTOMATIC
SWITCHOVER: Switch from power cord to generator simply by starting
generator! |
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A... Transfer Sw 30A & 50A-120v...
M Series |
B...
Transfer Sw 50A-120v or 120/240v...
B Series
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Electrical drawing for 17-REL30050M Series
ATS Relay
Based Units Sequence Of Operation AND before you start the
GENERATOR!!! |
Designed with a "TERMINAL STRIP" to simplify
connections!
This unit can only be used on "NEW"
installations or Existing units with
sufficient wire length to reach the terminal strip!!!
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Click To Enlarge
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Click To Enlarge |
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL30030M |
30A - 2 Wire/Grnd |
30A-120v |
6" w x 6" h x 4" d |
5.0 Lbs |
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17-REL30050M |
50A - 2 or 3 Wire/Grnd |
50A-120v or 120/240v |
8" w x 8" h x 6" d |
10 Lbs |
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Replaces Todd TS30, TS30S, TS50, TS50S |
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17-REL30050B |
50A - 3 Wire/Grnd |
50A-120/240v |
8" w x 8" h x 6" d |
10 Lbs |
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Replaces Todd: PS245L, PS245S, PS260S & PS262S Units - 50 Amp - 120/240V 3 Wire/Ground |
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Designed with a terminal block to simplify
connections! |
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2 UNITS OF... 17-30050B... Replaces Todd: PS2-245S |
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Automatic Transfer
Switches |
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Section
#2 C... 50 AMP Inverter Model.... 3
Sources of Power For Marine or RV Applications |
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AUTOMATICALLY Switch from power cord to generator
to inverter... |
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A... 17-REL36350 Heavy Duty Relay Overview
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B... 17-REL36350
Electrical Overview
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Click To Enlarge
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Click To Enlarge |
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL36350 |
2 or 3 Wire |
50 Amp Max |
12" w x 12" h x 6" d |
17 Lbs |
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Coil Volts 120 Ac |
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PS450S Pics & Info |
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PS850S Pics & Info |
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Replaces Todd: PS2-245S - PS450S - PS850S
We can rebuild the above units for
typically half * the price of replacement!
* Pricing varies depending on
severity of damaged unit!!
Replacement
units have been re-designed with "direct connect"** wiring !
Several areas of consideration must be addressed when
upgrading to new units!
** 1.
Wiring length, to reach new connections...
2. Physical size of
enclosure...
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Automatic Transfer
Switches |
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Section
#3... 75 AMP Model.... 3
Wire For Marine or RV Applications |
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AUTOMATIC
SWITCHOVER: Switch from power cord to generator simply by starting
generator! |
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A... 17-REL35075 Standard Duty
Transfer Switch |
B... 17-REL35075 R...
Heavy Duty
Transfer Switch
(Terminal
Strip, Relays, Test Switch) |
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Click To View
Contactor Based |
Relay Based
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL35075 |
3 Wire / Ground |
75 Amp Max |
12 w x 8" h x 4" d |
12.0 Lbs |
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17-REL35075 R |
3 Wire / Ground |
75 Amp Max |
12 w x 10" h x 4" d |
15.0 Lbs |
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Replaces Todd PS-275 |
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Call For Spec & Pricing |
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Automatic Power Transfer
Switches |
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Section
#4... 100 AMP Model....
3
Wire For Marine, RV, Motor Coach & Specialty Vehicle |
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AUTOMATIC
SWITCHOVER: Switch from power cord to generator simply by starting
generator! |
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A... Overview
100 Amp Heavy Duty Transfer Relay
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B... Electrical Overview 100 Amp
Unit |
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Click To Enlarge Graphics
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Click To Enlarge Graphics
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Part Number |
Description |
Generator or Inv |
Dimensions |
Wt. |
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17-REL36100 *** |
3 Wire |
100 Amp Max |
12" W x 10" H x 6" D |
15.0 Lbs |
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*** Discontinued & Superseded By... 17- REL36101 See Section 4A Below |
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Automatic Power Transfer
Switches |
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Section
#5...
Delay Timers... Todd & Replacement
Automatic Transfer Relays |
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Timer delays relay or contactor closing
for 20-30 seconds to provide generator warm up period. |
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A... 120V
AC to DC-4 Terminals
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B... 120V
AC to AC-4 Terminals
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C... 120V AC to AC-4
Terminals
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D... 120V AC to AC-10
Terminals
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Click To View
OLD STYLE Timer
PIC & PCB Component Layout
REPLACED By PN: 17-TIM3050 |
Click To Enlarge
Graphic
17-REL36050 Units |
Click To Enlarge
Graphic
Todd PS-250 (old units -
1986) |
Click To Enlarge
Graphic
17-REL35050 Units
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Click To View
NEW STYLE Timer
PIC & PCB Component Layout
PN: 17-TIM3050
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Click To Enlarge
Graphics |
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Voltage operating range... 95-135V AC (Cutout @
78-85v) |
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P/N... 17-TIM3050 |
P/N... 17-TIM5050M |
OBSOLETE
PN... 17-TIM3050-2 |
P/N... 17-TIM5050 |
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4 Terminals |
8 Terminals |
4 Terminals |
10 Terminals |
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Dim... 3.0" W x 1.4" H |
Dim: 1.5" w x
5.5" h |
Dim: 3.0" w x
2.0" h |
Dim: 5.0" w x
2.0" h x .68" d |
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REPLACED BY...
PN: 17-TIM3050-A * |
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Todd TS-30 & 50 |
ES50M-65N |
LPT-50CA |
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Todd PS-245S, 260S, 262S, 450S & 850S |
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Wiring Diagram |
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* 4 Wire Leads Required **
** PN: 17-TIM3050-L |
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Connect 'DC" coil wires to terminals J1 & J2
Connect "AC" power wires to terminals J3 & J4 |
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Automatic Transfer
Switches |
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Revised:10/20/2019 11:03:55
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