176012-001 SUPERIOR ELECTRIC, 176012-001 Datasheet

176012-001

Manufacturer Part Number

176012-001

Description

Replacement Brush Assembly

Manufacturer

SUPERIOR ELECTRIC

Datasheet

1.176012-001.pdf (2 pages)

Specifications of 176012-001

Accessory Type

Brush Assembly

Mounting Type

Variable Transformer Replacement Brush Assembly

Features

Designed To Assure Perfect Contact Of The Brush To The Commutator

For Use With

POWERSTAT Variable Transformers

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002105-138 REV F

"F"

"D"

"C"

"A"

HOLES FOR .38 [M10]

BOLTS AS INDICATED

MOTOR DRIVEN

MANUALLY OPERATED

3-GANG UNIT — "A", "D", "F"

2-GANG UNIT — "A", "E"

SINGLE UNIT — "A", "C"

3-GANG UNIT — "A", "D"

2-GANG UNIT — "A", "B"

[90.42]

3.56

[49.27]

1.94

TEMPLATE No 2

[131.83]

TEMPLATE N

5.19

[241.30]

TOP

9.50

[220.72]

8.69

[261.87]

10.31

[392.18]

15.44

BOTTOM OF STANDOFFS

"F"

"D"

"C"

"A"

With ordinary care, a POWERSTAT Variable Transformer should require no servicing except possible replacement

of the brush assembly. The brush should be inspected periodically and replaced if arcing takes place or if it is badly

worn. Because the brush must be of a special material, replace only with a Superior Electric brush assembly listed

below. The assembly is designed to assure perfect contact of the brush to the commutator regardless of brush

position and length of time in use. Take care to avoid scraping, scratching or marring the commutator surface.

Follow these steps to install a new brush assembly:

1. Remove the plate block above the terminal panel.

2. Unfasten the brush assembly anchor screws, remove and discard the old brush assembly.

3. Insert the new brush assembly in the radiator slot, replace the anchor screws and tighten to the radiator. Be sure

4. Raise the brush and place a piece of sandpaper (grit #400 or finer) between the commutator surface and the

5. While holding the sandpaper in place (flat), rotate the radiator through a short arc. Remove the sandpaper and

6. Rotate the radiator several times to check for smooth travel of the brush over the commutator surface. The

Important connection notes. Please read carefully.

· CONNECTIONS AND RATINGS given in these instructions are those most commonly used. In addition, all

· For ambient temperatures between -20°C and +50°C use current ratings given in the charts. Figure C shows

· Coil to terminal connections for all 146 and 246 Series units are shown in Figures D and E.

· The connection diagrams are labeled “L” for Line Connections, “B” for Boost Connections and “S” for Step-Up

· For the Step-Up Connections, the Ratings Chart shows maximum output current rating for output voltages up to

A POWERSTAT Variable Transformer is a precision product packed with care. When unpacking, examine carefully

for any shipping damage. Inspect the brush contact with particular care. The “Damage and Shortage” Instructions

packed with the unit outline the proper procedure to follow if any parts are damaged or missing.

NOTE- The unit should be protected from any dust or debris that may be encountered while drilling holes, installing

wiring, etc., during installation.

All models are designed so that the same unit can be either bench or back-of-panel mounted as desired. The units

as shipped are arranged for bench mounting. To change to back-of-panel mounting, proceed as outlined.

POWERSTAT Variable Transformer types 146 and 246 have four slots in the base for mounting. The mounting

bolts can be located anywhere within the slots.

BENCH OR WALL MOUNTING

1. Locate and drill the desired set of mounting holes (four holes “A” or “B” or within the slot) using Drilling Template

2. Place the unit in position. Insert and tighten four 3/8” mounting bolts.

BACK-OF-PANEL MOUNTING

1. Using the four slots between “A” or “B” holes on Drilling Template No. 1., locate and drill four mounting bolt holes.

2. Loosen the knob setscrews and remove the knob. Remove the dial and mount it to the panel with the three 6-32

3. Loosen the shaft setscrews (at the base end of the shaft) and slide the shaft through so it will project about 1-

4. Place the unit in position. Insert and tighten four 3/8” mounting bolts. Place the knob on the shaft and position

BENCH OR WALL MOUNTING

A. On Standoffs

B. On Side Brackets

OPERATION AT TEMPERATURES ABOVE 50°C

ECN 96200

002105-138 REV F

that the back end of the brush strap is under the projections at the rear of the radiator brush slot.

brush so that the smooth side is on the commutator and the abrasive side is against the carbon brush.

blow out the excess carbon particles.

brush should fit flat over the entire commutator surface. No space should be visible between the brush and the

surface.

ganged units may be connected so that the units operate electrically independent on a common shaft. When

this is desired, connections and ratings for a single deck unit should be used.

the output current de-rating required above 50°C.

Connections.

125% of the input voltage, and maximum KVA at maximum output voltage. The output current must be reduced

according to the curve in Figure G for output voltages greater then 125% of input voltage. Maximum KVA may

be calculated using the rating curve in Figure G for voltages less than maximum.

No. 1.

Also locate and drill the three dial screw holes “C” and the center shaft hole “D”. The dial screw holes must be

tapped to accommodate the 6-32 screws supplied. Maximum panel thickness is 3”.

screws.

1/16” through the panel after installation.

the pointer correctly with respect to the brush position and the dial indications. Tighten the knob setscrews.

1. Locate and drill the mounting bolt holes (four holes “A”) using Drilling Template No. 1.

2. Place the unit in position. Insert and tighten 3/8-24 mounting bolts. The mounting bolt length should not

1. Locate and drill the four mounting bolt holes using Drilling Template No. 2. BE SURE TO USE THE PROPER

2. Insert and screw in part way the two top mounting bolts.

3. Place the unit in position and insert the two bottom bolts. Tighten all mounting bolts..

exceed the panel thickness plus 1/2”.

SET OF HOLES.

FIGURE C

28 SPRING LANE • SUITE 3 • FARMINGTON, CT 06032 USA

MANUALLY OPERATED ASSEMBLIES

www.superiorelectric.com

GANGED ASSEMBLIES

INSTALLATION

INSPECTION

SINGLE UNITS

instructions

WITH POWERKOTE

VIEWED FROM RADIATOR END

146 TYPES

FIGURE D

for INSTALLATION OPERATION and MAINTENANCE

POWERSTAT

VARIABLE TRANSFORMERS

VIEWED FROM RADIATOR END

246 TYPES

FIGURE E

CONNECTIONS AND RATINGS

Telephone and Fax Numbers

Telephone

Fax

Customer Service 860-507-2025, Ext. 70782

Product Application 860-507-2025, Ext. 72058

MAINTENANCE

COILS - 146-246 Series

860-507-2025

860-507-2050

BACK-OF-PANEL MOUNTING

1. Locate and drill the four mounting bolt holes “A”, the three dial screw holes “C” and the center shaft hole “D”

2. Remove the knob and the dial, Loosen the shaft setscrews (at the base end of each unit) and slide the shaft

3. Mount the dial to the panel with the 6-32 screws supplied.

4. Place the unit in position. Insert and tighten four 3/8-24 mounting bolts. Mounting bolts are supplied with the unit

5. Place the knob on the shaft and position the pointer correctly with respect to the brush position and the dial

Motor-driven POWERSTAT Variable Transformers of the 146-246 Series, both single units and ganged assemblies,

may be bench or wall mounted in the same manner as manually operated ganged assemblies. Three-ganged

assemblies, however, have three side brackets requiring 6 mounting bolts as shown in Drilling Template No. 2..

If an application’s current requirement is greater then a single variable transformer’s per phase rating, it is common

practice to use a larger model. In some cases this is not possible either because there is no larger model or the

physical requirements of the application do not allow it. For these applications, parallel-connected units can be used.

These parallel connections require paralleling choke(s) in addition to the POWERSTAT® Variable Transformer, which

may be mounted in any convenient position. Paralleling choke T5587 is available for this connection and must be

ordered separately.

· Clockwise (CW) and counterclockwise (CCW) rotation connections shown in the Ratings Chart and Connection

· Fuses are recommended on all units as shown (§) and are supplied on F models. Supplied fuses are 30 ampere

· COMMON shown in the connection diagrams is used as third leg in 3-phase open delta, or neutral in single-

· Motor drive wiring is shown in Figure F.

Whenever unusual mechanical or electrical difficulties are encountered in the operation or installation of your

POWERSTAT Variable Transformer, consult Superior Electric.

using Drilling Template No. 1. Maximum panel thickness is 3”. The three dial screw holes must be tapped to

accommodate the 6-32 screws supplied.

through so it will project about 1-1/16” through the panel after installation. Turn the radiators of the units to the

extreme counterclockwise position and tighten the shaft setscrews. Recheck to be sure that the brushes are

properly aligned.

for use with panels to ¾” thick. For thicker panels use 3/8-24 bolts ½” longer than the panel thickness. A ganged

assembly, because of its added length and weight, requires extra support in the form of a shelf or cradle. Turn

the brushes of the units to the extreme counterclockwise position and tighten the setscrews.

indications. Tighten the setscrews..

Diagrams are for motor driven units and manual units with the knob on the radiator end. For connections with

the knob on the base end, use the shown CCW connection for CW operation, and shown CW connection for

CCW operation.

on 146 types, and 15 ampere on 246 types.

phase 3-wire and 3-phase 4-wire wye configurations. COMMON is not used in single-phase 2-wire or 3-phase

3-wire wye configurations. Jumper(s) provided in standard common position should be moved or removed as

required.

For connections #9 and #10, a paralleling choke is required in addition to the POWERSTAT® Variable Transformer.

For connections #11 and #12, two paralleling chokes are required. Paralleling choke T5587 is available for this

connection and must be ordered separately. Wire per the appropriate diagram.

INPUT 120 V.

50/60 Hz

LOWER

RAISE

ASSEMBLY

BRUSH

FIG. B

DRIVE MOTOR

MOTOR DRIVE WIRING

Toll-Free (in USA and Canada only)

Telephone

Fax

Customer Service

Product Application 1-800-787-3532, Ext. 72058

LIMIT SWITCH

LOWER

FIGURE F

MOTOR-DRIVEN ASSEMBLIES

PARALLELING CHOKES

RESISITOR

LIMIT SWITCH

UPPER

1-800-787-3532

1-800-821-1369

1-800-787-3532, Ext. 70782

MODEL NUMBER

146

246

REPLACEMENT BRUSH ASSEMBLIES

PART NUMBER

176012-001

176012-002

OPERATION IN “STEP-UP” CONNECTION

The right to make engineering refinements on

all products is reserved. Dimensions and other

details are subject to change.

Printed in USA

NOTE: H1, H2, H3, and H4

are 1/4” Studs x 1” long.

T5587 CHOKE

OUTLINE

FIG. A

FIGURE G

DESCRIPTION

Printed in USA

RB146

RB246

Related parts for 176012-001

176012-001 Summary of contents

Page 1

... Printed in USA Printed in USA MOTOR-DRIVEN ASSEMBLIES PARALLELING CHOKES FIG. A T5587 CHOKE OUTLINE NOTE: H1, H2, H3, and H4 are 1/4” Studs x 1” long. REPLACEMENT BRUSH ASSEMBLIES MODEL NUMBER PART NUMBER DESCRIPTION 146 176012-001 RB146 246 176012-002 RB246 RESISITOR LOWER UPPER LIMIT SWITCH OPERATION IN “ ...

Page 2

... IN PANEL FOR .38 [M10] MOUNTING BOLTS (SINGLE MANUAL UNIT ONLY) 4-HOLES ("B") IN PANEL FOR .38 [M10] MOUNTING BOLTS TEMPLATE No 1. TEMPLATE Superior Electric • 28 Spring Lane • Suite 3 • Farmington, CT 06032 USA www.superiorelectric.com TERMINAL PANEL "B" "A" 7.38 [187.45] SQ. "A" "B" ...

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