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NOARK Electric, North America
Thermal Overload Relays Ex9RD Series

Thermal Overload Relays Ex9RD Series

Product catalog summary

Overview: The document provides detailed specifications and features of the NOARK Ex9RD Series Thermal Overload Relays, designed for motor protection against overload and phase failures. These relays are compliant with international standards and offer various mounting options.

Certifications: The relays are IEC/EN 60947-4-1 compliant, CE approved, UL 508 listed, CSA 22.2 No. 14 certified, and RoHS compliant.

Specifications:

Setting Amperage: Ranges from 0.1A to 630A, allowing direct adjustment without additional calculations.
Trip Class: Class 10A with phase loss sensitivity and temperature compensation from -25 to +55 °C.
Operational Voltage: Rated operational voltage is 690 Vac for the main circuit and 600 Vac for the auxiliary circuit.
Mounting: Can be directly mounted to contactors or on a 35 mm DIN rail.
Protection: Includes overload protection, automatic/manual reset options, and a trip-free mechanism.

Features:

Adjustable current setting for overload protection.
Push-to-test and stop functions.
Status indication and trip indication features.

Technical Data:

Rated Frequency: 50/60 Hz.
Number of Poles: 3 for the main circuit, 1NO+1NC for the auxiliary circuit.
Isolation Data: Rated impulse withstand voltage is 6 kV, and rated isolation voltage is 690 V.
Pollution Degree: 3.

Dimensions: Detailed dimensions are provided for various models (Ex9RD11.5, Ex9RD25, Ex9RD36, Ex9RD93, Ex9RD200, Ex9RD630) with measurements in inches and millimeters.

Product Selection Guide: Includes a comprehensive table listing the setting range, full load amps, short circuit protection devices, and packaging details for different models.

Note: NOARK Electric reserves the right to make technical changes or modify the document contents without prior notice.

Catalog excerpts

Data Sheet Thermal Overload Relays

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Thermal Overload Relays NOARK Ex9RD Series Thermal overload relays are economic electromechanical protection devices for the main circuit. They are used mainly to protect motors against overload and phase failures. Starter combinations are setup together with contactors. • • • • • Overload protection trip Class 10A Phase loss sensitivity Temperature compensation from -25 to +55 °C Adjustable current setting for overload protection Automatic or manual reset selectable The overload relays have a setting scale in Amperes, which allows the direct adjusting of the relay without any additional calculation....

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Thermal Overload Relays Specifications IEC/EN Data at 40฀ and at rated values Main Circuit Auxiliary Circuit Lower value to upper value of setting range (See page 5) Rated Operational Voltage Ue Setting Range - Thermal Overload Protection Trip Class Rated Frequency Conventional Free Air Thermal Current Ith See upper value of setting range (See page 5) Rated Operational Current AC-3 Ie Rated Operational Current Ie (Accessories to IEC 60947-5-1 for Utilization Category) Isolation Data Rated Impulse Withstand Voltage Uimp Pollution Degree Rated Isolation Voltage Ui General Data Duty Time Operating...

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Thermal Overload Relays Operation Mode 1~ Contact 95-96 Trip State RESET State TEST Manual Reset Mode TEST Auto Reset Mode While TEST is Operated STOP While Device is in Trip State STOP Button has no Function STOP While Device is in RESET State Single-Phase Motor While STOP Button is Pressed Status Indication Three- Phase Motor Three Phase 20 Two Phase Multiple of Rectified Current 4 2017 NOARK Electric • All Rights Reserved

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NOARK Electric North America 2188 Pomona Blvd, Pomona Ca 91768 (626) 330-7007 na.noark-electric.com • [email protected] Note: NOARK Electric reserves the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. NOARK Electric nor any of its affiliates or subsidiaries shall be responsible or liable for potential errors or possible lack of information in this document. NOARK Electric reserves all rights in this document and in the subject matter and illustrations contained therein....

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Thermal Overload Relays Ex9RD Series

Thermal Overload Relays Ex9RD Series

Catalog excerpts

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