nema pump controls final

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Product Guide

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Product Description and ApplicationThe Siemens full voltage starter pump controllers are specificallydesigned for the agricultural, petrochemical and other industries

requiring pump control. They are built to withstand the harshelements of the outdoors and are well suited for the mostdemanding environments.

Typical applications include:

Crop Irrigation

Oil Fields

Waste Water Treatment

Sprinklers

Class 87 NEMA Full Voltage Starter Pump Control Panels

Features and Benefits Heavy-duty NEMA starter sizes 1 - 6 including Siemens

exclusive half-size starters to provide reliable motor control

and protection expected in the most demanding applications Heavy-duty disconnect switch with visible blades for safety

and double break switch action to reduce arcing and increaselifetime (also available with circuit breaker)

Line side shield on disconnect switch to help guard personnelfrom contact with live parts

Type 3/3R enclosure fabricated with galvannealed steel versusconventional cold rolled steel for superior corrosion resistance

Rugged 30 mm H-O-A switch and Start push button, whichare standard features, meet Type 3, 4, 12, and 13 specificationsand are oil and dust tight for durability

Pre-punched opening with cover plate for convenient fieldinstallation of a conduit hub should top entry be required

Full gasketed door to ensure a dust tight and water tight seal

Mounting flanges at top and bottom of enclosure for easymounting on poles or flat surfaces using keyhole slots

Auxiliary control panel for field mounting additional controlsor for use as a wire way for large power conductors

Heavy-duty quarter-turns for fast entry and proper sealingof enclosure

Door is removable for ease of installation and maintenance

Factory and field modifications for custom applications

UL rated as Service Entrance Equipment permitting equipmentto be pole mounted and installed directly off of utility power lines

UL listed

Class 87 full voltage pump controller with fusible

disconnect switch and standard features

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Class 87 NEMA Vacuum Starter Pump Control Panels

Product Description and ApplicationThe Siemens vacuum starter pump controllers are designedfor the harshest environments. Typical environments includechemical, petrochemical, waste water treatment and mining.Contaminations present in these severe environments aredetrimental to conventional air-break contacts decreasingtheir life expectancy and reliability. The Siemens vacuum starterpump controllers are well suited for these environments becausethe contacts are contained in hermetically sealed contact tubes.This prevents contaminates in the atmosphere from affectingthe operation of the contacts. Additionally, neither arcs norarcing gases are produced which dramatically increases theelectrical endurance of the contacts.

Features and Benefits Heavy-duty NEMA vacuum starter sizes 4 - 6 to provide reliable

motor control and protection expected in the most demandingapplications

Hermetically sealed contacts preventing environment fromadversely affecting their operation

No arcs nor arcing gases are produced minimizing erosionand thus increasing the electrical endurance of the contacts

Available with a fusible disconnect switch or circuit breaker

Type 3/3R enclosure which is fully gasketed to ensure a dusttight and water tight seal

Rugged 30 mm H-O-A switch and Start push button, which arestandard features, meet Type 3, 4, 12, and 13 specificationsand are oil and dust tight for durability



UL rated as Service Entrance Equipment permittingequipment to be pole mounted and installed directly offof utility power lines

UL listed

Class 87 Pump Panel with Vacuum Contactor

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Class 88 NEMA Reduced Voltage Pump Control Panels

Product Description and ApplicationThe Siemens reduced voltage starter pump controllers aredesigned for the same applications and environments theClass 87 full voltage starter pump controllers serve. However,these controllers provide added protection for you equipment.

When energized, full-voltage starters can cause excessive pressuresurges in centrifugal pumping systems. These pressure surgesinduce stress in the piping which causes water hammering.Even worse than the noise produced from the water hammeringis the equipment damage that pressure surges may cause.This damage can include, among other things, ruptured pipes,loosened or broken pipe supports and damaged valves. TheSiemens NEMA reduced voltage pump controllers are designedto reduce damage to your equipment. This is accomplished bystepping up the motor speed and thus reducing starting torque.A second reason for using reduced voltage controllers is tocomply with electrical current restrictions of utility companies.

Siemens manufactures the three commonly used NEMAreduced voltage pump controllers. This consists of the autotransformer, wye-delta and part-winding starters. Each typeof starter is designed for specific application requirements.In addition to reducing starting torque, they also reduce inrushcurrent and provide smoother acceleration of the pump.

Features and BenefitsCommon to all Class 88 Starters Heavy-duty NEMA starter sizes 1 6 including Siemens

exclusive half-size starters to provide reliable motor controland protection expected in the most demanding applications

Adjustable starting time

CPT supplied as standard

Available with a fusible disconnect switch or circuit breaker

Type 3/3R enclosure which is full gasketed to ensure a dusttight and water tight seal

Rugged 30 mm H-O-A switch and Start push button, whichare standard features, meet Type 3, 4, 12, and 13 specificationsand are oil and dust tight for durability



UL rated as Service Entrance Equipment permitting equipmentto be pole mounted and installed directly off of utility power lines

UL listed

Class 88 Auto Transformer Type Pump Controller

Maximum torque per amp

Three coil auto transformer for balanced starting currents

50, 65 and 80% voltage taps

Closed circuit transition

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Class 88 Part-Winding Type Pump Controller

Simplest design most economical

Class 88 Wye-Delta Type Pump Controller

Lowest starting torque

Closed or open circuit transition

Class 88 NEMA Reduced Voltage Pump Control Panels

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Class 83 and Class 84 NEMA Duplex Motor Controllers

Product Description and ApplicationThe Siemens duplex motor controllers are specifically designedfor industrial and commercial applications that require duplexcontrols such as duel pumps or blowers. They are built towithstand demanding environments found both indoors andoutdoors. Duplex motor controllers consists of two motor startersin a common enclosure. Class 83 is a non-combination duplexmotor controller. Class 84 is a combination duplex motorcontroller with two separate disconnects or circuit breakers.

The Siemens duplex motor controllers are designed to performone or both of two distinct functions: duplexing and alternation.The duplexing function provides capacity for system peaking orabove normal demand without having both motors running atall times. It also provides standby capacity for use when oneof the motors is disabled. The alternation function reversesthe lead and lag mode for the two motors in a duplex system.Upon alternation the first motor becomes the lag motor and

the second motor assumes the lead function. The alternationis usually programmed to occur at any time both motors cometo rest. The alternation function equalizes wear on the twomachines and extends the life of seals and bearings.

Features and Benefits Heavy-duty NEMA starter sizes 0 4 including Siemens

exclusive half-size starters to provide reliable motor controland protection expected in the most demanding applications

Combination controllers are available with a disconnect switchor circuit breaker

Alternator controls included as standard

Comprehensive offering of enclosure types including Type 1,3/3R, 12, 4 painted and 4X stainless steel to meet yourapplication requirements



UL rated as Service Entrance Equipment permittingequipment to be pole mounted and installed directlyoff of utility power lines

UL listed

Class 84 Duplex Motor Controller in Type 1 Enclosure

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Siemens Exclusive

Class 958L Oil Field Solid State Overload Relays

In addition to the standard ESP100 solid state overload for generalapplications, Siemens also offers an exclusive solid state overload

for the oil market. The 958L is designed specifically for the oilmarket and the cyclical loads experienced with these typesof pumping applications. These overloads provide superiorprotection on all standard motors, oil well pump motors, multi-torque connections, and ultra-high slip motors. Rotors can bedamaged in 8 to 15 seconds during motor stall conditions ifelectrical power is not removed. To prevent damage duringmotor stall, the 958L solid-state overload removes power in7 seconds at 250% locked rotor current. Therefore, die cast orfabricated rotors will be protected from damage saving youboth time and money.

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Class 958L Trip Curve


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Refer to the additional brochures listed below for information on other NEMA and general purpose control products. Order on-line viathe Siemens Literature Fulfillment System or contact your local Siemens sales office.

Open NEMA Starters Publication No. NEBR-OPNST-0605

Enclosed NEMA Starters Publication No. NEBR-ENCST-0605

Manual Motor Controls Publication No. NEBR-MANMC-0605

Lighting & Heating Contactors Publication No. NEBR-LAHCO-0605

Control Power Transformers Publication No. NEBR-CPTRA-0605

Note The last four digits of the publication number indicate month and year of last revision and may change upon each revision.

Siemens Energy & Automation, Inc.3333 Old Milton ParkwayAlpharetta, GA 30005

[email protected]

www.sea.siemens.com/controls

2005 Siemens Energy & Automation, Inc. All Rights Reserved.Siemens is a registered trademark of Siemens AG. Product names mentioned may be trademarks or registered trademarks of their respective

companies. Specifications are subject to change without notice. NEBR-PUMPC-0605 New 5M0605 B&A Printed in USA

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