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3 phase astronomic timer

3 phase astronomic timer

Three-phase 4-wire 120-208 volt dusk dawn timer.

ST01 battery-operated timer is dusk-dawn programmable timer.
Rated for resistive or inductive loads
Will control contactor as illustrated
Uses CR2 battery.
Locate timer indoors/ battery cannot be exposed to freezing temps
Battery lasts 22 days in cold weather

Timer requires no voltage to operate the dusk-dawn switching
Cap red wire for dusk-dawn operation
OR connect red and blue timer wires together for dawn-dusk

Fuse protects 15 amp timer
Connect power to timer black wire
Connect load to timer blue wire

Timer turns ON contactor...
Contactor controls 3-phase load

Wire color in this illustration match application for someone who emailed... wire colors vary
Buy:
Intermatic ST01 timer at Amazon
Ei600 5-year warranty timer at Amazon
CR2 replacement battery at Amazon

3 phase photo eye

Three-phase 4-wire 120-208 volt dusk dawn photo eye.

Neutral wire required
Note Neutral wire connected to one side of contactor and to photoeye.
Fuse required to protect photo eye from over voltage
Three wires run to photo eye.
Photo eye black connects to Hot
Photo eye red connects to Load (contactor)
Photo eye white connects to Neutral

Buy:
Adjustable photo eye at Amazon
40 amp 3-pole contactor with 120 volt coil at Amazon
Panel mount fuse holders at Amazon
Parking lot timer

3-phase Parking lot timer

Same as above
3 phase/ 3-wire/ no neutral
Use contactor coil to match voltage from 2 legs of 3-phase

ST01C
Larger image
LCD display is not lighted

Intermatic ST01C buttons
All Intermatic timers

Dusk-dawn astronomic timer

ST01C  7-day/ battery operated no neutral required / single-pole or 3-way

Ei600  / same as ST01 except 5 yr warranty instead of 1 yr warranty

/astronomic or programmable/  single-pole 3-way/ 1 yr warranty/ No neutral/ uses CR2 battery
Programmable or Astronomic dawn-dusk/ 6 ON and 6 OFF settings per 7-day week
Incandescent, CFL, LED, motors, ballast, DC loads/ AC and DC loads 24V up to 277Volt.
Permanent override/ No loss of memory in power outage or battery change

ST01C is white/ ST01AC is almond
Use deco wall plate
Buy:
Intermatic ST01 timer at Amazon
Ei600 5-year warranty timer at Amazon
CR2 replacement battery at Amazon


Resource:
Intermatic timers: ST01C & Ei600
More wiring for ST01C + ST01C programming

Sell sheet with model numbers
Load ratings for Intermatic timers/ pdf
Load rating for ST01 timer: 120V ac, 6A, 208-277V ac; DC Loads 4A 12V dc, 2A 28V dc; Motors 1HP 120VAC, 2HP
240V ac, Ballast 16A 120V ac, 208-277V ac; Resistive 20A 120-277Vac.
3-pole contactor
Heavy amp loads: 20-90 amps
L terminals for Line wires from breaker
T terminals for load wires

3-pole contactor
3-pole definite purpose Contactor sizes approximately:
20-40 amp 3" tall x 2.4" wide
50-60 amp 3.75" tall x 2.7 wide
75-90 amp 4.5' tall x 3.5 wide

3-pole contactor
Light amp loads: 8-12 amps
A1 A2 coil voltage
L terminals for Line wires from breaker
T terminals for load wires
Terminals 13-14 NO / terminals 21-22 NC
Other terminals apply to auxiliary blocks

Resources:
How to wire motor control contactor
Difference between contactor and relay
How to wire 3-phase
DC relays for solar power

Buy 3-pole contactors/ AC ratings

Buy:
3-pole contactors at Amazon
Noark 3 pole contactor
Packard 3-pole contactor
Mars 2-pole and 3-pole contactors at Amazon
Schneider contactor at Amazon
Kripal 3-pole contactor
Furnas contactor at Amazon
siemens 3-pole contactor
Eaton 3 pole contactor with contact block connection
Allen-bradley 3 pole contactor

Buy:
3-pole 120Volt coil
25 amp 3-pole 120V coil
30 amp 120 volt coil
30 amp 3-pole 120V coil
40 amp 120V coil at Amazon
40 amp 120V coil
40 amp /120V coil at Amazon
50 amp 120V coil
60 amp / 3 pole 120 volt coil
60 amp 3-pole 120Volt coil
75 amp 3-pole 120V coil
90 amp 3-pole 120 volt coil

3--pole 24 Volt DC coil
Siemens 3RT10 up to 460 volt 5 Hp with auxiliary contacts

3 pole 24Volt coil

90 amp 3-pole 24Volt lug connection
75 amp 3-pole 24V coil
75 amp 3-pole 24V coil
60 amp 3-pole 24V coil
50 amp 3-pole 24V coil
40 amp 3-pole 24V coil

3 pole 240Volt coil
90 amp 3-pole 240Volt coil Amazon
90 amp 3-pole 208-240Volt coil
75 amp 3-pole 240V coil
70 amp 3-pole 240V coil
50 amp 240V coil
30 amp 3-pole 240V coil

3 pole 277volt coil
90 amp 277V coil 3-pole lug terminals
75 amp 277V coil 3-pole lug terminals
60 amp 3-pole 277v coil
50 amp 3-pole 277V coil
40 amp 3-pole 277V coil
30 amp 277V coil 3-pole
20 amp 3-pole 277V coil

3-pole 380 volt coil
40 amp

3 pole 480Volt coil
40 amp 480V coil at Amazon
40 amp 480V coil at Amazon
50 amp 480V coil
60 amp 480V coil at Amazon
75 amp 480V coil at Amazon
75-90 amp 480V coil at Amazon
90 amp 3-pole 480V coil
100 amp 480V coil at Amazon
      contact block

Contact blocks/ pneumatic timer attachments.

Activated by mechanical action of contactor, instead of electric current.
On delay timers delay start time./
Once the timer block activates, the countdown begins.
When countdown ends, the timer's internal relay activates.
Adding timer block, allows the contactor to control additional circuit with time delay.

Buy: Contact blocks at Amazon
Delay contact block at Amazon
45EG20AF contactor

Pull boxes/ metal

DTSP contactor bolted into a 6x6x4 enclosure using #8-32 bolts

Buy:
6x6x4 Metal box: has knock-outs for 1/2 and 3/4" ... must drill 1/2" hole for fuseholder, bolt holes to hold contactor, threaded holes for 10-32 ground screw, metal box must be grounded.
Indoor 6x6x4 metal pull box with cover and knock-outs/ Raco
Indoor 6x6x4 pull box with knockouts on 4 sides/ Wiegman
Indoor 6x6x4 pull box with knockouts on 4 sides/ Hoffman
Outdoor 6x6x4 box with bottom knockouts

Indoor 6x6x4 metal pull box with cover and knock-outs/ Raco
Indoor/ hinged door 10x10 x 6 / Bud Industries

Indoor / hinged door/ 6x8x4 box / Bud Industries


Bud industries boxes at Amazon
Arlington boxes at Amazon
6x6x4 enclosure

Junction boxes/ Plastic and metal


Buy:
6x6x4 plastic box: no pre-drilled holes... must drill holes for Wire connections, 1/2" hole for fuseholder, 3/16" holes for bolts to hold contactor, plastic box does not need ground screw connected to box
Cantex 6x6x4 PVC plastic enclosure with cover at Amazon
Thomas and Betts 6x6x4 plastic with cover at Amazon
Bud industries 11x7x5 box without knockouts
Busman HKP-HH fuse holder

15 Amp ceramic fuse

Busman fuse holder/ panel mount/ drill 1/2" hole

Some fuseholders accept terminal connections, some have solder-only connections. 
Fuse blocks have screw terminals.

Buy:
Panel mount fuse holders at Amazon
Buy fuseholder at Amazon

Buy: fast and slow acting fuses:
Ceramic fuses at Amazon
Fast acting ceramic fuses


Multimeter

Test for breaks in wire/ Test for voltage
Most appliance require 80% rated voltage to function correctly
Buy:
Multimeters at Amazon
Electric testers at Amazon 
Resource:
How to test and replace element
How to test thermocouple
Element tests for 120 volts
How to test wire
Safety when testing wires:
Never touch wet or previously flooded appliance.
Never stand on wet surface when working on electric.
Never stand on bare soil, put down dry boards.
Tape tester leads to wood sticks to keep hands away from power.
Use non-contact voltage tester before touching wires.
Never touch or lean into any made of metal.
Remove metal objects from pockets.
Do not use oxygen or fuel accelerants in same room as electrcial repairs

Resource:
Basic house wiring

Non-contact voltage tester

Test for power without touching connectorss
NEVER assume power is OFF
Buy:
Non-contact voltage tester Amazon
Electric testers at Amazon
 
Resource:
How to test electric power is off

Resource:
How to install terminals
Treminals

Terminals

Buy:
Terminal kit
Blue for 16-14 wire
Yellow for 12-10 wire
Read about terminals
wire connector assortment

Twist-on wire connector assortments

Do not reuse old connectors 
Buy:
Connector assortment at Amazon
Connector assortment at Amazon

Resource
How to select and install twist-on wire connectors
Weatherproof wire connector

Weatherproof wire connector

Connector cavity is full of silicone
Built-in cover keeps silicone in place
Protect from water, dust etc
Buy: from my affiliate links
Weatherproof size 14 to 6 Amazon
Weatherproof size 22 to 8 Amazon

Resource
How to select and install twist-on wire connectors
Wire connector wrench

Wrench to apply wire connectors

Tighten connector 
Buy:
Wire connector blaster
Twist connector wrenches at Amazon

Resources:
How to twist wire
How to select and install twist-on wire connectors
Push on wire connectors

Push-on wire connectors in place of twist-on connectors

Buy:
Push on wire connectors Amazon
Red 3P connector for 10-14 gauge wire
Lever connectors for stranded wire at Amazon
add solder to stranded wire

Turn stranded wire into solid wire

Add solder to 1" length of tightly twisted stranded wire to make into solid wire
Heat wire. Touch solder to wire. Let cool. File away over-solder.
Buy:
soldering guns
Resource

Timer caught fire

linesman pliers
Buy: tools:
Wire strippers at Amazon
Linesman pliers
Utility knife at Amazon
End cutting nippers at Amazon

Fire inside timer caused by stranded wire
Keep enclosure door closed at all times

Fire caused by stranded wire

Do not use stranded wire under screw plate

Applies to timers, switches, outlets, pumps etc.
Small devices, with small loads, such as lamp socket, stranded wire is fine
Add solder to 1" length of tightly twisted stranded wire to make into solid wire
Heat wire. Touch solder to wire. Let cool. File away over-solder.
Buy:
soldering guns
Resource

Timer caught fire
      Terminal kit    

Terminals:

Crimp terminals onto stranded wire

Solder terminals onto solid wire

Use terminals to connect small wire to contactor

Buy:
Terminal kit at Amazon
Blue terminals for 16-14 gauge wire at Amazon
Yellow 12-10 gauge female terminal 16 pcs

Support the economy:
Buy water heaters  from my associate links:

50 gallon Gas water heaters at Amazon
40 gallon gas water heaters at Amazon
50 gallon Electric water heaters at Amazon
40 gallon electric water heaters at Amazon
Hybrid / heat pump/ water heaters at Amazon

Resources:
How to install gas water heater
How to install electric water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
Point of use water heaters
Resources:
Troubleshoot Gas valves with manuals
Icon gas valve

Install and troubleshoot garbage disposal Waste King disposal
Install point of use water heater

How to wire tankless electric
Point of use water heater

Anode rods anode rods
Recirculation system

Tankless recirculation
Point of use water heater
Type 1 and type 2 surge protection surge protection

Gas and electric water heaters Buy
Industrial electric


Industrial supplies

Tools and home improvement

Lab and scientific
Buy Tools
DEWALT
Black and Decker
Stanley
SKIL
Porter-Cable
Bosch
Dremel 
Saws and saw blades
Resource:
Compare box timers
DPDT timers
Intermatic
Control water heater w/ Z-wave

Intermatic control centers Resource:
Control centers:
+ manuals and parts


All control centers and parts

Including Z-wave
Resource:
Compare programmable timers
Compare countdown timers
Delay timers
Modules

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