RW27-1D3-D008

WEG offers thermal overload relays in 3-pole versions up to 840A and 2-pole versions up to 80A for protecting motors in the event of overload or phase failure.

The RW series of thermal overload relays can be mounted directly on WEG contactors up to 105A and mounted separately from 112A to 800A.

Standard Features

• 2-pole and 3-pole versions available
• Trip class 10
• Adjustable current setting ranges
• Isolated N.C “Trip” and N.O “Alarm” auxiliary contacts
• Phase failure/unbalance sensitivity protection
• Selectable Manual/Auto RESET button with or without TEST
• Ambient temperature compensation from -13°F to +140°F

Wide Range of Accessories

• Panel mounting brackets
• External RESET pushbuttons
• Connector links 
• Spare lugs 

May 2023: Product line extention announcement - 

• IEC contactors CWB 95 – 125A
• NEMA contactor CWBN size 3
• Thermal overload relays RW117-3D 63 – 140A associated with the above contactors

Features Include:

• Current Range: 0.56 - 0.8 A
• Rated Insulation Voltage Ui: 690 V
• Rated Insulation Voltage Ui (acc. to UL): 600 V
• Rated Impulse Withstand Voltage Uimp: 6 kV
• Rated Operational Frequency: 25 - 400 Hz
• Maximum Operating Frequency: 15 ops./h
• Dimensions (H x W x D): 2.83 x 1.77 x 3.23 in
• Gross Weight: 0.36 lb

Technical Information:

• Weg RW Series Thermal Overload Relays Datasheet
• Weg RW Series Thermal Overload Relays Brochure
• Weg RW Series Thermal Overload Relays Quick Specs
• Weg RW17-117 Overload Relay Installation Guide
• Weg RW Series BF27D Base Installation Guide
• Weg Power and Control Products 2020 Catalog

Learn more about Contactors, Starters & Overload Relays here!

• What is Direct on Line (DOL) Motor Control?
• Definite Purpose Contactors 101
• Basic Construction & Sizing for Contactors