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Siemens NEMA Size 4 Reversing Starter - Reversing Starters with Electronic Overloads
SiemensReversing Starters with Electronic Overloads

Siemens NEMA Size 4 Reversing Starter

The SIEMENS NEMA Magnetic Motor Starter: Reversing (SKU 22JUH32AF, MPN 22JUH32AF) is a three-phase reversing starter with electronic overloads, rated 135 A at NEMA Size 4. It features a 110/120V AC coil voltage…

SKU 3G-OTH-40698

Brand
Siemens
Item
NEMA Size 4 Reversing Starter
Category
Reversing Starters with Electronic Overloads
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
22JUH32AF
Type
NEMA Size 4, 135 A
Phase
Three
Poles
3
AC Coil
120V
Coil Voltage
110/120V AC
Signaling Features
Pilot Light
Auxiliary Contact Form
1NO
Thermal Units Required
None (Not Applicable to Electronic Overloads)
Terminal Connection Type
Screw Terminals
Auxiliary Contacts Included
1NO

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS NEMA Magnetic Motor Starter: Reversing (SKU 22JUH32AF, MPN 22JUH32AF) is a three-phase reversing starter with electronic overloads, rated 135 A at NEMA Size 4. It features a 110/120V AC coil voltage, screw terminals, a pilot light, and one normally open auxiliary contact. Thermal units are not required as the overload protection is electronic.

Frequently Asked Questions

What is the SIEMENS NEMA Magnetic Motor Starter: Reversing used for?

The SIEMENS NEMA Magnetic Motor Starter: Reversing is used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, pumps, and hoists. It includes electronic overload protection and a pilot light for status indication.

What are the specifications of the SIEMENS 22JUH32AF motor starter?

The SIEMENS 22JUH32AF is a NEMA Size 4 reversing starter rated 135 A with a 110/120V AC coil voltage. It has three poles, screw terminals, one normally open auxiliary contact, and electronic overloads that eliminate the need for thermal units.

Where to buy the SIEMENS 22JUH32AF motor starter worldwide?

You can source the SIEMENS 22JUH32AF motor starter through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.

How to select the correct overload protection for the SIEMENS reversing starter?

For the SIEMENS reversing starter with electronic overloads, thermal units are not required. Set the overload relay dial to match the motor's full-load amperage per the nameplate. Always consult the motor's specifications and local electrical codes for proper selection.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens reversing starters with electronic overloads. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Three-pole reversing starter with electronic overload protection for three-phase motors up to 135 A. Features a pilot light for status indication, one normally open auxiliary contact, and screw terminals. Coil voltage is 190-220/220-240V AC. No thermal units required. Suitable for forward/reverse motor control in industrial applications such as conveyors, pumps, and hoists
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Three-pole reversing starter with electronic overload protection for three-phase motors up to 135 A. Features a pilot light for status indication, one normally open auxiliary contact, and screw terminals. Coil voltage is 190-220/220-240V AC. No thermal units required. Suitable for forward/reverse motor control in industrial applications such as conveyors, pumps, and hoists
This reversing starter controls forward and reverse operation of three-phase AC motors. It features NEMA Size 4, 135 A rating, electronic overload protection, and a dual-rated coil voltage of 110-120/220-240V AC. Includes a pilot light, 1NO auxiliary contact, and screw terminals. No thermal units required
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This reversing starter controls forward and reverse operation of three-phase AC motors. It features NEMA Size 4, 135 A rating, electronic overload protection, and a dual-rated coil voltage of 110-120/220-240V AC. Includes a pilot light, 1NO auxiliary contact, and screw terminals. No thermal units required
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 3-1/2, 115 A, 120V AC Coil (MPN 22IUH32AF)
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 3-1/2, 115 A, 120V AC Coil (MPN 22IUH32AF)
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A, 480V AC Coil (MPN 22JUH32AH)
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A, 480V AC Coil (MPN 22JUH32AH)
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A, 208V AC Coil (MPN 22JUH32AD)
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SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A, 208V AC Coil (MPN 22JUH32AD)
Three-pole reversing starter with electronic overload protection, NEMA Size 3, rated 90 A. Coil voltage 110/120V AC. Includes pilot light, one normally open auxiliary contact, and screw terminals. Suitable for reversing three-phase motors in applications such as conveyors, hoists, and pumps
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Three-pole reversing starter with electronic overload protection, NEMA Size 3, rated 90 A. Coil voltage 110/120V AC. Includes pilot light, one normally open auxiliary contact, and screw terminals. Suitable for reversing three-phase motors in applications such as conveyors, hoists, and pumps

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Three-phase reversing starter with electronic overload protection, NEMA Size 0, rated 18 A. Features a dual-voltage coil (110-120/220-240V AC), screw terminals, one normally open auxiliary contact, and a built-in pilot light. No thermal units required. Used for forward/reverse control of three-phase motors in industrial applications such as conveyors, hoists, and pumps
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Three-phase reversing starter with electronic overload protection, NEMA Size 0, rated 18 A. Features a dual-voltage coil (110-120/220-240V AC), screw terminals, one normally open auxiliary contact, and a built-in pilot light. No thermal units required. Used for forward/reverse control of three-phase motors in industrial applications such as conveyors, hoists, and pumps
Three-pole reversing starter with electronic overload protection, rated 18 A at NEMA Size 0. Coil voltage 190-220/220-240V AC. Includes pilot light and one normally open auxiliary contact. Screw terminals; no thermal units required. Suitable for forward/reverse control of three-phase motors in industrial equipment such as conveyors, pumps, and machine tools
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Three-pole reversing starter with electronic overload protection, rated 18 A at NEMA Size 0. Coil voltage 190-220/220-240V AC. Includes pilot light and one normally open auxiliary contact. Screw terminals; no thermal units required. Suitable for forward/reverse control of three-phase motors in industrial equipment such as conveyors, pumps, and machine tools
This NEMA Size 1 reversing starter is rated for 27 A and 3 poles, with a 208V AC coil. It includes electronic overload protection (no thermal units required), a pilot light, one normally open auxiliary contact, and screw terminals. Suitable for controlling three-phase motors in forward/reverse applications such as conveyors, pumps, and hoists
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This NEMA Size 1 reversing starter is rated for 27 A and 3 poles, with a 208V AC coil. It includes electronic overload protection (no thermal units required), a pilot light, one normally open auxiliary contact, and screw terminals. Suitable for controlling three-phase motors in forward/reverse applications such as conveyors, pumps, and hoists
This reversing starter with electronic overload protection is designed for three-phase motors up to 18 A, enabling forward and reverse operation in industrial machinery such as conveyors, hoists, and pumps. It features a NEMA Size 0 rating, 110/120V AC coil, pilot light, 1NO auxiliary contact, and screw terminals. Electronic overloads eliminate the need for thermal units
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This reversing starter with electronic overload protection is designed for three-phase motors up to 18 A, enabling forward and reverse operation in industrial machinery such as conveyors, hoists, and pumps. It features a NEMA Size 0 rating, 110/120V AC coil, pilot light, 1NO auxiliary contact, and screw terminals. Electronic overloads eliminate the need for thermal units
Reversing starter with electronic overload protection for three-phase motors. Rated 2 A with 24V DC control voltage. Includes LED status indicator and 1NO/1NC auxiliary contacts. Suitable for forward/reverse motor control in industrial applications such as conveyors and pumps
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Three-phase reversing starter for motor control applications requiring forward and reverse operation. NEMA Size 1, 27 A rating, 110/120V AC coil, three poles, screw terminals, one normally open auxiliary contact, and electronic overload protection (no thermal units required). Includes pilot light for status signaling
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