Schneider Electric Residual Current Monitoring Relay

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RS-artikelnummer:
247-1907
Tillv. art.nr:
56174
Tillverkare / varumärke:
Schneider Electric
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Brand

Schneider Electric

Monitoring Application

Residual Current

Series

RH99M

Length

74mm

Height

81mm

Width

54mm

COO (Country of Origin):
FR

Schneider Electric RH99M Series Monitoring Relay, 30mA Minimum Current Sensed, 30A Maximum Current Sensed - 56174


This monitoring relay is an essential electrical safety device specifically designed for residual current protection. With dimensions of 74 x 54 x 81mm, this DIN Rail monitoring relay expertly ensures effective monitoring for earth leakage, making it suitable for various industrial applications.

Features & Benefits


• Provides adjustable residual earth leakage sensitivity up to 30A
• Time delay settings enhance flexibility for various applications
• Manual reset function ensures user control
• Compatibility with multiple VigiPacT earth leakage current sensors
• IP40 rating offers excellent protection against dust and moisture
• Certified by CSA and UL for reliable performance

Applications


• Used for monitoring earth faults in industrial environments
• Ideal for integration with automation systems
• Applied in electrical panels for enhanced safety measures
• Utilised within energy management systems to track leakage currents

What is the significance of the earth leakage protection class?


The earth leakage protection class, Type A, is important as it provides a comprehensive response to different fault conditions, ensuring the safety of the connected electrical systems.

How does the time delay feature benefit its operation?


The time delay feature allows users to set adjustable time frames to delay the tripping process, which can prevent nuisance tripping during transient conditions or in systems with inrush currents.

What electrical supply ratings does it support?


It supports a rated supply voltage of 380 to 415V AC at 50/60Hz, which is within the standard range for many industrial applications, thus ensuring compatibility with existing electrical systems.

What type of monitoring does the relay perform continuously?


It continuously monitors earth fault currents, providing real-time feedback for immediate action if thresholds are reached, which enhances overall system safety and reliability.

How does the tamper-proof feature enhance functionality?


The tamper-proof feature, protected by a sealable cover, prevents unauthorised adjustments, ensuring settings remain consistent and reliable for optimal operation.

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