Certain Sprecher + Schuh KT_9 series Motor Protection Circuit Breakers and KTU9 series Molded Case Circuit Breakers may not fully open under load and interrupt current. The potential anomaly may not meet published endurance specifications, potentially leading to voltage being present on the load side of the breaker with the breaker in the OFF or TRIPPED state, potentially causing a risk of arc flash, electrical shock, and equipment damage.

The potentially affected products are select KT_9 series Motor Protection Circuit Breakers and KTU9 series Molded Case Circuit Breakers, Frame C and D, 16 amps and higher. Also affected are certain CLE/CLUE Open Style Starters, KTA7 and CX7 Enclosed Starters, and certain Sprecher + Schuh custom solutions.

The KT_9 series Motor Protection Circuit Breakers and KTU9 series Molded Case Circuit Breakers by frame size, manufacturing date range, and endurance specification anomaly are listed in the attached Product Safety Advisory.

Sprecher + Schuh requests you take the following actions:

• Check if you have a product affected by this Product Safety Advisory. Refer to the Product Identification and Description sections of the document for product identification assistance.

• If applicable, contact Sprecher + Schuh Technical Support, Customer Service, a Sales Representative, or your Distributor to request replacement. Make sure to reference this Product Safety Advisory when requesting replacement product.

• All returns should be over packed to prevent shipping damage during transit.

• Continue to check incoming shipments for potentially affected product. Product in transit or in non-Sprecher + Schuh inventory may continue to contain potentially affected product for a period of time after the publication of this document.

• If you need additional assistance, please contact Sprecher + Schuh Technical Support.