ABB S800S-UC Miniature Circuit Breaker, 4-Pole, 100A, UC-B, 750 V dc DC, 50 kA Breaking Capacity

RS Stock No.:: 140-306
Mfr. Part No.:: 2CCS864001R1825
Manufacturer:: ABB

ABB S800S-UC Miniature Circuit Breaker, 4-Pole, 100A, UC-B, 750 V dc DC, 50 kA Breaking Capacity

View all MCBs

Subtotal (1 unit)*

TWD60,608.00

(exc. GST)

TWD63,638.40

(inc. GST)

FREE delivery for orders over NT$1,300.00

Stocked by manufacturer

Ready to ship from December 08, 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	TWD60,608.00

*price indicative

RS Stock No.:: 140-306
Mfr. Part No.:: 2CCS864001R1825
Manufacturer:: ABB

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Miniature Circuit Breaker
	Number of Poles	4
	Current Rating	100A
	Tripping Characteristics	UC-B
	Rated DC Voltage	750V dc
	Breaking Capacity	50kA
	Series	S800S-UC
	Terminal Type	Screw
	IP Rating	IP20
	Standards/Approvals	IEC/EN 60947-2, REACH, RoHS, UL 1077, ETIM 9 EC000042, CMRT
	Width	106mm
	Depth	82.5mm
	Height	95mm
	Reset Actuator Type	I/O Actuator

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 4
	Current Rating 100A
	Tripping Characteristics UC-B
	Rated DC Voltage 750V dc
	Breaking Capacity 50kA
	Series S800S-UC
	Terminal Type Screw
	IP Rating IP20
	Standards/Approvals IEC/EN 60947-2, REACH, RoHS, UL 1077, ETIM 9 EC000042, CMRT
	Width 106mm
	Depth 82.5mm
	Height 95mm
	Reset Actuator Type I/O Actuator

COO (Country of Origin):: CH

ABB S800S-UC Series Miniature Circuit Breaker, 100A Current, 750V dc Rated DC Voltage - 2CCS864001R1825

This miniature circuit breaker provides four-pole protection for DC systems and is designed for installation in electrical distribution applications. It combines a high interrupting capability with standard-compliant construction for use where controlled disconnection of multi-pole DC circuits is required. The device features screw-type terminations and a clear on/off actuator to facilitate wiring and operation in panel environments.

Features and Benefits:

• 50kA breaking capacity for enhanced fault interruption performance
• UC-B tripping characteristic for consistent thermal-magnetic response
• 100A current rating to manage substantial DC load currents
• IP20 enclosure level for protected internal component access
• Screw Terminal connection enabling secure conductor clamping

Applications

• Suitable for solar PV array DC string protection
• Ideal for battery bank isolation in storage systems
• Used with commercial DC distribution boards
• Can be used for protecting inverter DC inputs
• Suitable for multi-pole DC feed segregation

What pole count does it provide for circuit segregation?

It is a four-pole device allowing simultaneous disconnection of all conductors including positive, negative and two additional poles.

Which approvals and material compliance are associated with the unit?

It carries IEC/EN 60947-2 designation and meets REACH and RoHS requirements along with UL 1077 and CMRT alignment.

How is the breaker operated for manual reset after trip?

The unit uses an I/O-style reset actuator that indicates and selects between on and off positions.

What Terminal arrangement is used for conductor termination?

Terminals use a screw-type fastening method suitable for secure conductor clamping under DC loads.

What are the product’s external footprint constraints for panel mounting?

The external profile measures 95 mm height and 106 mm width with an 82.5 mm depth for enclosure planning.