UL 489 r protection of service entrance, feeder and branch circuits). These circuit breakers are specifically intended to provide service entrance, feeder and branch circuit protection in accordan

Jun 15, 2023 · In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of profits, lost savings, loss of data, or any other damages …

Under the UL services, Molded-Case Circuit Breakers are evaluated and “Listed” to UL 489 for use as a standalone product and the UL follow-up service tests the devices (typically 2-4 times …

Mar 7, 2025 · UL 489 specifies standards for molded-case circuit breakers, switches, and enclosures, ensuring safety and compliance in electrical systems.

UL489 Miniature Molded Case Circuit Breakers AC (UL Series) and DC (DL Series)

UL 489 MCB Product Overview ITC’s UL 489 MCBs are available in three types depending on voltage rating: N-B1N, N-B1H, and N-B1NQ. The B1 UL 489 miniature circuit breakers series …

Oct 15, 2008 · UL 489A - Circuit Breakers for Use in Communications Equipment Please note: All interim revisions for this edition available at time of your purchase will be included. Circuit …