212-6 查看數據表（PDF） - Ohmite Mfg. Co.
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212-6 Datasheet PDF : 3 Pages
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Power Tap Switches
High-current, Non-shorting Type
Model 711
Typical
ceramic style
Typical
tandem model
Rating
Overall
Rating Max. no. Diameter
Depth behind panel (in./mm)
Shaft
Model (AC)
(DC)* of taps (max., in./mm) single 2 in tandem 3 in tandem Torque
711 7A 125V 7A 20V 11 1.56 / 39.6 13/16 / 20.6 125/32 / 45.2 215/32 / 62.7 7-12 oz.-in.
111 15A 125V 15A 20V 11
2.19 / 56 11/8 / 28.7 23/4 / 69.9
—
1.5-3.8 in.-lbs.
212 20A 150V 20A 20V 12
2.25 / 57
13/4 / 44.5 43/16 / 106.4 63/16 / 157.2 3-7 in.-lbs.
312 30A 300V 30A 20V 12
3.31 / 84
21/4 / 57.2 45/8 / 117.5
7 / 177.8 3-7 in.-lbs.
412 50A 300V 50A 20V 12 4.25 / 108 27/16 / 61.9 51/32 / 127.8 75/8 / 193.7 3-8 in.-lbs.
608 100A 300V 100A 20V 8 6.25 / 159 35/16 / 84.1 613/16 / 173.0 105/16 / 261.9 25-35 in.-lbs.
*non-inductive load
All dimensions for reference only; consult factory for details.
Ohmite power Tap Switches
(high power rotary switches)
are constructed to provide
dependable, convenient
operation.
All Ohmite tap switches,
from 15 to 100 amps, have
ceramic arc-proof bodies and
metal alloy contacts. Their
all-soldered and all-riveted
construction assures mechani-
cal and operational integrity.
Even the smallest Ohmite Tap
Switch, rated at 7 amps, has
a reinforced non-metal body
and solid metal alloy contacts.
These units feature high cur-
rent handling capability in a
small package.
FEATURES
• “Slow-breaking, Quick-make”
action proved best for switching
AC current.
• Non-shorting type disconnects
previous circuit before establish-
ing contact for succeeding tap.
• 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.
SPECIFICATIONS
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
Model 711: Using 3/8-32 bushing
for 1/8” thick maximum panel.
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
9 o’clock.” 3/16 “ hole for non-turn
washer. Shaft 1/4”
Model 111: For 1/4” panel, maxi-
mum, using 3/8-32 bushing and
hex nut. A 3/16” hole is required
for the non-turn washer. Shaft
1/4”
Model 212: Using 3/8-32 threaded
bushing and hex nut. A 5/32” hole
is required for the non-turn pin.
Shaft 1/4”
Model 312: For 1/4” panel, maxi-
mum, use three 10-32 flat-head
machine screws 3/8” long. Shaft
1/4”
Model 412: For 1/4” panel, maxi-
mum, use three 10-32 flat-head
machine screws 3/8” long. A
5/16” hole in panel is required for
shaft.
Model 608: For 1” panel, maxi-
mum, three flat-head machining
screws 1/4-20, 11/4” long. Drill
a 7/16” hole in panel for shaft.
Shaft 3/8”
NOTE: Since all tap switches are
electro-mechanical devices, they
are subject to wear and, there-
fore, have a finite life.
STANDARD PART NUMBERS FOR POWER TAP SWITCHES
Model 711
7A - 125V
Model 111
15A - 125V
Model 212
20A - 150V
Model 312
30A - 300V
Model 412
50A - 300V
Model 608
100A - 300V
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)
3 80°
4 120°
5 160°
6 200°
7 240°
8 280°
Check product availability at www.ohmite.com
See page 82 for knobs,
dials, and other hardware
80 Ohmite Mfg. Co.
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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