Thermal Overload Relays Ex9RD Series
8Pages

Data Sheet Thermal Overload Relays

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...

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...

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

Thermal Overload Relays Rating and Packaging Setting Range Full Load Amps (FLA) Short Circuit Protection Device 480/600 Vac Full Carton (Pieces) 2017 NOARK Electric • All Rights Reserved

Thermal Overload Relays Dimensions Ex9RD11.5 Unit: in. [mm] 2017 NOARK Electric • All Rights Reserved

Thermal Overload Relays Dimensions Ex9RDS93 Unit: in. [mm] Dimensions with "*" for the product over 400A. 2017 NOARK Electric • All Rights Reserved

NOARK Electric North America 2188 Pomona Blvd, Pomona Ca 91768 (626) 330-7007 na.noark-electric.com • nasales@noark-electric.com 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...