How can we help you today?

What is the replacement for overload 31161-184-50? Will the 9065SF520 work in it's place ? What overload will work ?

Issue:
What is the replacement for the overload block , 31161-184-50, for Nema size 5 starter ?

Product Line:
NEMA and Definite Purpose Contactors and Starters

Environment:
Type S Contactors and Starters

Cause:
Replacement

Resolution:
The 31161-184-50 part number only identifies a solid state overload relay, and does NOT include the wiring harness, which is also required for this overload block.
The solid state overload relay is used on a Class 8536 Type SG (Size 5) Series B starter.
When replacing a solid state overload relay for the above mentioned starter, order a Class 9065 Type ST520 overload Block. This part number includes the solid state overload relay (90-270A range, Class 10/20 selectable trip time) and the wiring harness. The wiring harness consists of 4 passes of wire looped thru each current transformer hole which are neatly dressed with plastic wire ties.

Note:
Part number 31161-184-50 does NOT include the current transformer, wiring harness or terminal block assemblies.
Class 9065 Type ST520 does NOT include the current transformer or terminal block assemblies.

Part Status: Part number 31161-184-50 is a restricted part number - order Class 9065 Type ST520 for overload and harness

The 9065SF5290 overload block is for Series A Nema sz 5 starters with individually mounted overload blocks, which takes the DD heaters .

Schneider Electric Canada

Explore more
Range:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:

Need help?

Need help?

Product Selector

Product Selector

Quickly and easily find the right products and accessories for your applications.

Get a Quote

Get a Quote

Start your sales inquiry online and en expert will connect with you.

Where to buy?

Where to buy?

Easily find the nearest Schneider Electric distributor in your location.

Help Center

Help Center

Find support resources for all your needs, in one place.

  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Product Selectors
  • Software and Firmware
  • Product Substitution and Replacement
  • Blog
  • Events
  • Schneider Electric Community
  • Sustainability
  • Legal Information
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings