MODEL 312 TAP SWITCH 30A 300V

312-3

Manufacturer Part Number312-3
DescriptionMODEL 312 TAP SWITCH 30A 300V
ManufacturerOhmite
TypePower Tap Switch High Current Non Shorting Type
312-3 datasheet
 


Specifications of 312-3

Number Of Poles Per Deck3Number Of Decks1
Index Angle60 degContact StyleNon Shorting
Mounting TypePanelContact MaterialSilver Alloy
Voltage Rating300 VoltsCurrent Rating30 Amps at 300 VoltsAC, 20 VoltsDC
ActuatorNon-ShortingContact Rating30 Amps at 300 VoltsAC, 20 VoltsDC
Termination StyleSolder TerminalVoltage Rating Ac300 Volts
Voltage Rating Dc20 VoltsLead Free Status / Rohs StatusLead free / RoHS Compliant
1
Page 1
2
Page 2
Page 1/2

Download datasheet (148Kb)Embed
Next
Power Tap Switches
High-current, Non-shorting Type
Model 711
Overall
Rating
Rating Max. no.
Diameter
Model
(AC)
(DC)*
of taps (max., in./mm)
7A 125V
7A 20V
11
1.56 / 39.6
711
111
15A 125V
15A 20V
11
2.19 / 56
212
20A 150V
20A 20V
12
2.25 / 57
312
30A 300V
30A 20V
12
3.31 / 84
412
50A 300V
50A 20V
12
4.25 / 108
608 100A 300V 100A 20V
8
6.25 / 159
*non-inductive load
All dimensions for reference only; consult factory for details.
Switch, rated at 7 amps, has
Ohmite power Tap Switches
a reinforced non-metal body
(high power rotary switches)
and solid metal alloy contacts.
are constructed to provide
These units feature high cur-
dependable, convenient
rent handling capability in a
operation.
small package.
All Ohmite tap switches,
from 15 to 100 amps, have
F E A T U R E S
ceramic arc-proof bodies and
• “Slow-breaking, Quick-make”
metal alloy contacts. Their
action proved best for switching
all-soldered and all-riveted
AC current.
construction assures mechani-
• Non-shorting type disconnects
cal and operational integrity.
previous circuit before establish-
Even the smallest Ohmite Tap
ing contact for succeeding tap.
S T A N D A R D P A R T N U M B E R S F O R P O W E R T A P S W I T C H E S
Model 711
Model 111
7A - 125V
15A - 125V
3
60°
4
90°
5
120°
6
150°
7
180°
8
210°
9
240°
10
270°
11
300°
12
330°
 = Non-standard values subject to minimum handling charge per item
Insert number of taps at asterisk for complete part number (e.g. 111-3-T2)
*
80
Ohmite Mfg. Co.
1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
Typical
ceramic style
Depth behind panel (in./mm)
single
2 in tandem
3 in tandem
13
/
/ 20.6
1
25
/
/ 45.2
2
15
/
/ 62.7
16
32
32
1
3
1
/
/ 28.7
2
/
/ 69.9
8
4
3
3
3
1
/
/ 44.5
4
/
/ 106.4
6
/
/ 157.2
4
16
16
2
1
/
/ 57.2
4
5
/
/ 117.5
7 / 177.8
4
8
7
1
5
2
/
/ 61.9
5
/
/ 127.8
7
/
/ 193.7
16
32
8
5
13
5
3
/
/ 84.1
6
/
/ 173.0
10
/
/ 261.9
16
16
16
• Ceramic and metal construction
provides resistance to arcing,
burning and charring.
• Tandem assemblies available as
standard models.
• UL listed for models 111, 212,
312 and 412
• RoHS compliant product avail-
able Jan. 2006 Add “E” suffix to
part number to specify.
Model 212
Model 312
Model 412
20A - 150V
30A - 300V
50A - 300V
S P E C I F I C A T I O N S
Material
Body: Ceramic, arc-proof
(models 212, 312, 412, 608).
Compression Molded Polyester
(model 111). Melamine Phenolic
(model 711)
Contacts: Silver alloy. Common
contact is rounded for assured
seating. Self-cleaning with built
in wiping action.
Terminals: Soldering. 711 also
accepts quick connectors; 412,
#10 screws; 608, 0.25” bolts.
Mounting
3
Typical
Model 711: Using
/
-32 bushing
8
1
tandem model
for
/
” thick maximum panel.
8
Four non-turn lug positions are
possible on the single, unen-
closed switch. Recesses in body
of switch permit positioning of
non-turn washer at “12, 3, 6 and
Shaft
3
9 o’clock.”
/
“ hole for non-turn
16
Torque
1
washer. Shaft
/
4
7-12 oz.-in.
Model 111: For
1
/
” panel, maxi-
4
1.5-3.8 in.-lbs.
mum, using
3
/
-32 bushing and
8
3
hex nut. A
/
” hole is required
3-7 in.-lbs.
16
for the non-turn washer. Shaft
3-7 in.-lbs.
1
/
4
3-8 in.-lbs.
3
Model 212: Using
/
-32 threaded
8
25-35 in.-lbs.
bushing and hex nut. A
is required for the non-turn pin.
1
Shaft
/
4
1
Model 312: For
/
” panel, maxi-
4
mum, use three 10-32 flat-head
3
machine screws
/
” long. Shaft
8
1
/
4
Model 412: For
1
/
” panel, maxi-
4
mum, use three 10-32 flat-head
3
machine screws
/
” long. A
8
5
/
” hole in panel is required for
16
shaft.
Model 608: For 1” panel, maxi-
mum, three flat-head machining
screws
1
/
-20, 1
1
/
” long. Drill
4
4
7
a
/
” hole in panel for shaft.
16
Shaft
3
/
8
NOTE: Since all tap switches are
electro-mechanical devices, they
are subject to wear and, there-
fore, have a finite life.
Model 608
100A - 300V
3
80°
4
120°
5
160°
6
200°
7
240°
8
280°
www.ohmite.com
Check product availability at
See page 82 for knobs,
dials, and other hardware
5
/
” hole
32

312-3 Summary of contents

  • Page 1

    ... Material Body: Ceramic, arc-proof (models 212, 312, 412, 608). Compression Molded Polyester (model 111). Melamine Phenolic (model 711) Contacts: Silver alloy. Common contact is rounded for assured seating. Self-cleaning with built in wiping action. Terminals: Soldering. 711 also accepts quick connectors ...

  • Page 2

    ... Model 111 Model 312 Model 608 Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com Power Tap Switches High-current, Non-shorting Type Model 212 Model 412 81 ...