ABB S801S Series MCB, 1 Pole, 125A Current Rating - 2CCS861001R1845

This MCB is designed to provide high performance in electrical systems. With a compact design measuring 27mm in width and 82.5mm in length, it is well-suited for mounting on DIN rails. This single pole circuit breaker is rated at 125A and features UC-B tripping characteristics, ensuring reliable operation in various applications.

Features & Benefits

• 50 kA breaking capacity to manage high fault levels

• Rated DC voltage of 250V for enhanced versatility

• Designed for easy connection with screw terminals

• Operating range of -25 to +60 °C for diverse environments

• Energy limiting class ensures minimal downstream damage

• IP20 protection degree suitable for indoor installations

Applications

• Used for protecting circuits in solar power systems

• Fits into industrial automation setups for safety purposes

• Ideal for requiring reliable power distribution

• Utilised in commercial electrical systems for protective measures

What environmental conditions can this device withstand?

It operates effectively between -25 °C and +60 °C, accommodating various climates and operational demands.

What type of connections does this circuit breaker support?

It supports screw terminal connections, suitable for flexible cables from 0 to 50 mm² and rigid cables up to 70 mm².

How does the breaking capacity influence the system’s safety?

The 50 kA breaking capacity allows it to interrupt high fault currents, thereby reducing the risk of damage to the main electrical system and improving safety.

What does the UC-B tripping characteristic signify for usage?

UC-B characteristics enable the breaker to respond to overloads and short circuits, ensuring quick disconnection of faulty circuits.

Can this device be integrated into existing installations?

Yes, it is compatible with standard DIN rail systems, making installation straightforward in existing electrical setups.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Miniature Circuit Breaker
	Number of Poles	1
	Current Rating	125 A
	Tripping Characteristics	UC-B
	Rated DC Voltage	250 V
	Breaking Capacity	50kA
	Series	S801S
	Terminal Type	Screw
	IP Rating	IP20
	Depth	82.5mm
	Height	95mm
	Width	27 mm
	Standards/Approvals	CMRT, ETIM 9 EC000042, IEC/EN 60947-2, REACH, RoHS, UL 1077

	Select all
	Brand ABB
	Product Type Miniature Circuit Breaker
	Number of Poles 1
	Current Rating 125 A
	Tripping Characteristics UC-B
	Rated DC Voltage 250 V
	Breaking Capacity 50kA
	Series S801S
	Terminal Type Screw
	IP Rating IP20
	Depth 82.5mm
	Height 95mm
	Width 27 mm
	Standards/Approvals CMRT, ETIM 9 EC000042, IEC/EN 60947-2, REACH, RoHS, UL 1077

ABB S801S Miniature Circuit Breaker, 1-Pole, 125 A, UC-B, 250 V DC, 50 kA Breaking Capacity

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