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Siemens RMC40HIL2L2XX Monitoring Relay - 24-240V AC/DC

Siemens RMC40HIL2L2XX Phase Sequence Monitoring Relay.

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ManufacturerSiemens

Part numberRMC40HIL2L2XX

Voltage Range 24-240V AC/DC

Functions Phase Sequence Monitoring, Phase Failure Detection

Output 2 Changeover Contacts

Series RMC40

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Phase sequence monitoring Phase failure detection Wide voltage range (24-240V AC/DC) Dual changeover output contacts DIN rail mountable

Product description

The Siemens RMC40HIL2L2XX is a specialized monitoring relay designed for phase sequence and phase failure detection in three-phase systems. It operates on a universal voltage input of 24-240V AC/DC, ensuring compatibility with various power supplies. This relay is critical for protecting motors and equipment from incorrect phase rotation.

This relay finds application in motor control circuits, pumps, fans, and other three-phase equipment where correct phase sequence is essential for operation and to prevent damage. It provides reliable detection of phase loss and incorrect phase order.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens RMC40HIL2L2XX to meet your industrial control needs. We provide quality, tested surplus components at competitive prices.

Technical specifications

Voltage Range	24-240V AC/DC
Functions	Phase Sequence Monitoring, Phase Failure Detection
Output	2 Changeover Contacts
Series	RMC40

Common applications

Three-phase motor protection

Pump systems

Fan control

Industrial machinery

HVAC systems

Compatible systems

Three-phase motor control panels Industrial automation systems PLC systems

Also known as

Siemens RMC40 Phase Relay RMC40HIL2L2XX Siemens three-phase monitor

Replaces / compatible with

This relay can replace Siemens phase monitoring relays with similar part numbers or functionality. Confirm that the specific phase sequence detection and output contact requirements match your application.

Technical note

Expert tip

Proper installation of the RMC40HIL2L2XX requires connecting all three phases to the appropriate terminals to ensure accurate phase sequence and failure detection.

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Frequently asked questions

What specific faults does the Siemens RMC40HIL2L2XX monitor?

The Siemens RMC40HIL2L2XX is primarily designed to monitor for incorrect phase sequence (ensuring correct rotational direction for motors) and phase failure (loss of one or more phases) in three-phase power systems.