1/4" Female NPT With Pulsation Orifice

69J - Rotatable Unloader

69M - Stationary Unloader

L               Auto-Off Disconnect Lever

Y               Unloader Valve

2A             1/4" Male NPT

2C             Four Port Manifold

                  (4 x 1/4" Female)

69ES Series:

1/4" Female NPT Pipe Fitting

B                Pulsation Orifice

3/8" Female NPT With Pulsation Orifice

U               Unloader Valve

2A             1/4" Male NPT

2S              1/4" Female NPT

69W Series:

1/4" Female NPT Pipe Fitting

Suffix       Description

 B               Pulsation Orifice

L                Auto-Off Disconnect Lever

The Class 47 Alternator Is Of Industrial Design Specifically

For Use In Pump and Compressor Applications. It Is Easily

Field Installed and Wired In Control Panels, Pump Panels

Or As A Separately Enclosed Unit For Surface Mounting.

The Alternator Has Single Pole Double Throw Heavy Duty

10 Ampere Silver Cadmium Oxide Contacts Enclosed In A

Transparent Dust Cover. The Snap Action Contacts Transfer

When The Unit Is De-Energized. The Circuit Is Never Closed

Or Opened While Current Is Being Conducted. This Provides

Increased Control Life. The Alternator Is Wired To Operate

The Second Motor Starter The Next Time A Pump Operation

Is Required.

• No Load Transfer

• Industrial Design

• Front Wired

• NEMA Rating A600

• SPDT 10 Amp Contacts

• UL Listed File # E22655

• CSA Certified File # LR6535

The Alternator Relay Provides A Means Of Automatically

Alternating The Operation Of Two Separately Mounted

Motor Driven Pumps Or Compressors. This Alternating

Action Assures Even Readiness and Wear On Both Pumps.+

Electrical Ratings:

NEMA AC Ratings 50/60 Hz

NEMA A600 10 Continuous Amps

Wiring Diagrams (Typical):

Alternating                                    Alternating & Duplexing

For Added Safety, Replace The Single Pole Float Switch (B)

With A 2 Pole Auxiliary (B1) Float Switch (See Dotted Wiring).

Switch (A) Is Set To Close Before Switch (B).

NOTE: To Prevent Unintentional Operation, OSHA

Regulations and Local Installation Codes May Require

Guarding Of Handles. Consult These Requirements

Prior To Selecting A Drum Switch Or Handle.

Furnas Brand Class 58 Drum Controllers Standard Features Include:

Class 58, Furnas Brand Drum Controllers Start, Stop and Change The Speed and/or Rotating Direction Of Reversible AC and DC Electric Motors.

Most Controllers Are Available In NEMA 1 and NEMA 3R Enclosures.

The Simple Yet Rugged Construction Of Furnas Brand Drum Controllers Make These Ideal For Applications Such As:

• Boat Hoists

• Doors

• Metal and Woodworking Machinery

• Conveyors

Furnas Brand Class 58 Drum Controllers Standard Features:

• Easy Terminal Access

• Heavy Duty Contacts

• Variety Of Enclosures

• UL Listed

• CSA Certified