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Siemens 3RV1928-1H Terminal Block for Motor Controllers

Siemens 3RV1928-1H Type E terminal block for UL508 motor controllers.

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ManufacturerSiemens

Part number3RV1928-1H

Type E Terminal Block

Application Combination Motor Controller

Standard UL508

Clearance Increased

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Increased air clearances Increased creepage distances UL508 compliant for motor controllers Type E terminal block design

Product description

The Siemens 3RV1928-1H is a Type E terminal block specifically designed for increased air clearances and creepage distances, meeting the requirements of UL508 for combination motor controllers. This component was integral to the SIRIUS motor controller system for size S0 circuit breakers.

While this product is phased out, its successor is the SIRIUS 3RV2928-1H. This terminal block was used in applications requiring enhanced electrical insulation and safety standards, particularly in North American markets compliant with UL listings for motor control.

Stanlo Automation specializes in providing essential industrial automation components, including hard-to-find and phased-out parts. If you need the Siemens 3RV1928-1H or its successor, contact us. As a veteran-owned business, we are committed to supporting your automation needs with reliable surplus inventory.

Technical specifications

Type	E Terminal Block
Application	Combination Motor Controller
Standard	UL508
Clearance	Increased
Creepage Distance	Increased
Circuit Breaker Size	S0
Status	Phased-out

Common applications

Motor Control

Industrial Control Panels

Machine Building

UL Listed Equipment

Automation Systems

Compatible systems

Siemens SIRIUS Motor Controllers (Size S0)

Also known as

Siemens 3RV1928-1H Terminal SIRIUS 3RV1928-1H Siemens UL508 Terminal

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RV2928-1H.

Technical note

Expert tip

Ensure compliance with UL508 spacing requirements when using this terminal block in combination motor controller assemblies.

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Frequently asked questions

What is the successor to the Siemens 3RV1928-1H terminal block?

The Siemens 3RV1928-1H is a phased-out product. Its preferred successor is the Siemens SIRIUS 3RV2928-1H, offering similar functionality for UL508 motor controllers.