MCB miniature circuit breakers (UL)

ABB S801U-K100

Miniature circuit breaker 1P 100 A, K curve, UL 489 high-performance branch circuit breaker

Brand: ABB
Part number: S801U-K100
Product group: MCB miniature circuit breakers (UL)
Series: S800U
Number of poles: 1
Rated current In: 100 A

Request datasheet · Brand logo shown: ask us for a photo of this exact item.

Specifications

Trip curve	K
Standard	UL 489
Rated voltage	up to 480Y/277 V AC, 250 V DC
Interrupting rating	25 kA
Mounting	DIN rail

Datasheet, stock and lead time on request. If this part is discontinued or on long lead time we offer an approved equivalent.

Equivalents

What this part is

Type	Miniature circuit breaker (MCB)
Rated current	100 A
Trip curve	K
Poles	1
Breaking capacity (this part)	25 kA

Parts listed here share these values. Matching one value alone (for example the current) does not make a replacement.

Check before you substitute

Breaking capacity (kA) at the same voltage and to the same standard (IEC 60898-1 or IEC 60947-2)
Busbar type (pin or fork), terminal size and module width
Accessories: auxiliary, shunt trip, locking
Approval required on site (SASO, IEC, UL)

Cross-reference tool Confirm with an engineer

We have no listed equivalent for this exact specification yet. Our engineers can source one from another approved maker.

More in MCB miniature circuit breakers (UL)

See all: MCB miniature circuit breakers (UL)Part finder