RB136 SUPERIOR ELECTRIC, RB136 Datasheet

RB136

Manufacturer Part Number

RB136

Description

Transformer

Manufacturer

SUPERIOR ELECTRIC

Datasheet

1.RB136.pdf (2 pages)

Specifications of RB136

Accessory Type

Brush Assembly

For Use With

POWERSTAT Variable Transformers

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002105-006 REV G

HOLES FOR .38"

BOLTS AS INDICATED

Superior Electric • 28 Spring Lane • Suite 3 • Farmington, CT 06032 USA

[93.72]

3.69"

[55.63]

2.19"

NOTE: All dimensions are in inches [millimeters]

TEMPLATE NO. 3

[114.30]

4.50"

www.superiorelectric.com

[190.50]

7.50"

[228.60]

9.00"

[248.17]

9.81"

[384.05]

15.12"

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.

POWERSTAT Variable Transformer types 136B and 236B have three sets of

mounting holes to facilitate installation in new or existing layouts. Use the set

that is most convenient for the application. 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.

The 3PN model, having a cord and plug input and a receptacle output, is usually

used as a portable source of variable a-c voltage. If desired it may be mounted

in the same manner as other manually operated single units.

BENCH OR WALL MOUNTING

BACK-OF-PANEL MOUNTING

BENCH OR WALL MOUNTING

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:

Important connection notes. Please read carefully.

· CONNECTIONS AND RATINGS given in these instructions are those most

· For ambient temperatures between -20°C and +50°C use current ratings

· Coil to terminal connections for all 136B and 236B Series units are shown

· The connection diagrams are labeled “L” for Line Connections, “B” for Boost

· The F236B Series POWERSTAT® Variable Transformers do not have

· For the Step-Up Connections, the Ratings Chart shows maximum output

OPERATION AT TEMPERATURES ABOVE 50°C

002105-006 REV G

OPERATION IN “STEP-UP” CONNECTION

1. Locate and drill the desired set of mounting holes (four holes “A”, three

2. Place the unit in position. Insert and tighten the mounting bolts. For

1. Locate and drill the desired set of mounting bolt holes (four holes “A”,

2. Loosen the knob setscrews and remove the knob. Remove the dial and

3. Loosen the shaft setscrews (at the base end of the shaft) and slide the shaft

4. Place the unit in position, insert and tighten the mounting bolts. Be sure

1. Locate and drill the mounting bolt holes (four holes “A”) using Drilling

2. Place the unit in position. Insert and tighten the mounting bolts. When

1. Remove the plate block above the terminal panel.

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

3. Insert the new brush assembly in the radiator slot, replace the anchor

4. Raise the brush and place a piece of sandpaper (grit #400 or ﬁ ner) between

5. While holding the sandpaper in place (ﬂ at), rotate the radiator through

commonly used. In addition, all 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.

given in the charts. Figure C shows the output current de-rating required

above 50°C.

in Figures D, E, and F.

Connections and “S” for Step-Up Connections.

terminals 6 & 7 available and therefore do not have a Step-Up (“S”)

Connection. Terminal #3 is after the fuse on all F models.

current rating for output voltages up to 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 than

125% of input voltage. Maximum KVA may be calculated using the rating

curve in Figure G for voltages less than maximum.

holes “B” or three holes “C”) using Drilling Template No. 1. When mounting

holes “B” or “C” are used, it is necessary to have access to the rear of the

mounting surface.

mounting holes “B” or “C”, the length of the mounting bolts must not exceed

the thickness of the mounting surface plus ½”.

three holes “B” or three holes “C”), the dial screw holes “D” and the center

shaft hole using Drilling Template No. 2. Maximum panel thickness is 3

inches. The three dial screw holes must be tapped to accommodate the

6-32 screws supplied.

mount it to the panel with the three 6-32 screws.

through so it will project about 1-1/16” through the panel after installation.

Tighten the setscrews.

that the mounting bolt length does not exceed the panel thickness plus ½”

when using holes “B” or “C”. Place the knob on the shaft and position the

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

Tighten the knob setscrews.

On Standoffs

Template No. 1.

access to the rear of the mounting panel is not possible, the unit may be

mounted to an adapter plate and the adapter plate mounted to the panel

using lag screws.

brush assembly.

screws and tighten to the radiator. Be sure that the back end of the brush

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

the commutator surface and the brush so that the smooth side is on the

commutator and the abrasive side is against the carbon brush.

a short arc. Remove the sandpaper and blow out the excess carbon

particles.

MANUALLY OPERATED ASSEMBLIES

FIGURE G

FIGURE C

instructions

FARMINGTON, CT 06032 USA

28 SPRING LANE • SUITE 3

www.superiorelectric.com

GANGED ASSEMBLIES

INSTALLATION

for INSTALLATION OPERATION and MAINTENANCE

INSPECTION

SINGLE UNITS

POWERSTAT

VARIABLE TRANSFORMERS

WITH POWERKOTE

INPUT 120 V.

50/60 Hz

LOWER

RAISE

CONNECTIONS AND RATINGS

136B-236B Series

Telephone and Fax Numbers

Telephone

Fax

Customer Service

Product Application 860-507-2025, Ext. 72058

136B TYPES

FIGURE D

DRIVE MOTOR

MOTOR DRIVE WIRING

MAINTENANCE

LIMIT SWITCH

LOWER

FIGURE H

860-507-2025

860--507-2050

860-507-2025, Ext. 70782

ECN 95830

BACK-OF-PANEL MOUNTING

Motor-driven POWERSTAT Variable Transformers of the 136B-236B Series,

both single units and ganged assemblies, may be bench or wall mounted in

the same manner as manually operated ganged assemblies.

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

· Fuses are recommended on all units as shown (§) and are supplied on F

· COMMON shown in the connection diagrams is used as third leg in 3-

· Motor drive wiring is shown in Figure H.

· Cord-and-plug units (3PN type) are wired in the Boost (“B”) Connection

· The 3PN136B load current rating decreases with increased output voltage

· For connections #9 and #10, a paralleling choke is required in addition to

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

1. Locate and drill the four mounting bolt holes using Drilling Template

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

1. Locate and drill the four mounting bolt holes “A”, the three dial screw holes

2. Remove the knob and the dial. Loosen the shaft setscrews (at the base

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.

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

the Ratings Chart and Connection 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.

and 3PN models. Supplied fuses are 25 ampere on 136B types, and 10

ampere on 236B types.

phase open delta, or neutral in single-phase 3-wire and 3-phase 4-wire wye

conﬁ gurations. COMMON is not used in single-phase 2-wire or 3-phase 3-

wire wye conﬁ gurations. Jumper(s) provided in standard common position

should be moved or removed as required.

when shipped.

due to the input plug rating. See Figure I for 3PN136B-load current rating.

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.

the commutator surface. The brush should ﬁ t ﬂ at over the entire commutator

surface. No space should be visible between the brush and the surface.

Whenever unusual mechanical or electrical difﬁ culties are encountered

in the operation or installation of your POWERSTAT Variable

Transformer, consult Superior Electric.

On Side Brackets

No. 3. BE SURE TO USE THE PROPER SET OF HOLES.

bolts.

“D” and the center shaft hole using Drilling Template No. 2. Maximum panel

thickness is 3”. The three dial screw holes must be tapped to accommodate

the 6-32 screws supplied.

end of each unit) and slide the shaft 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.

Mounting bolts are supplied with the unit for use with panels to ¾” thick.

For thicker panels use 3/8-24 bolts ½” longer than the panel thickness. A

3-gang assembly, because of its added length and weight, requires extra

support in the form of a shelf or cradle.

to the brush position and the dial indications. Tighten the setscrews.

MODEL NUMBER

RESISITOR

LIMIT SWITCH

UPPER

136B

236B

REPLACEMENT BRUSH ASSEMBLIES

COILS

Toll-Free (in USA and Canada only)

Telephone

Fax

Customer Service

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

MOTOR-DRIVEN ASSEMBLIES

236B TYPES

FIGURE E

PARALLELING CHOKES

PART NUMBER

056135-001

056135-002

1-800-787-3532

1-800-821-1369

1-800-787-3532, Ext. 70782

FIGURE I

BRUSH ASSEMBLY

The right to make engineering reﬁ nements on

all products is reserved. Dimensions and other

details are subject to change.

DESCRIPTION

FIGURE B

RB136

RB236

NOTE: H1, H2, H3, and H4

are 1/4” Studs x 1” long.

F236B TYPES

T5587 CHOKE

F136B AND

FIGURE F

OUTLINE

Printed in USA

FIG. A

Printed in USA

Related parts for RB136

RB136 Summary of contents

Page 1

... Ext. 70782 Printed in USA Printed in USA PARALLELING CHOKES FIG. A T5587 CHOKE OUTLINE NOTE: H1, H2, H3, and H4 are 1/4” Studs x 1” long. FIGURE B BRUSH ASSEMBLY PART NUMBER DESCRIPTION 056135-001 RB136 056135-002 RB236 F136B AND FIGURE E F236B TYPES FIGURE F FIGURE I ...

Page 2

... IN PANEL AT 120° (3.50" [88.90] BOLT CIRCLE) FOR NO. 6 DIAL MOUNTING SCREWS HOLE IN PANEL TO CLEAR .50" [12.70] CENTER SHAFT TEMPLATE NO. 2 NOTE: All dimensions are in inches [millimeters] Superior Electric • 28 Spring Lane • Suite 3 • Farmington, CT 06032 USA www.superiorelectric.com ...

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