ABB S801S MCB, 1P, 125A, UC-B, 250V DC, 50 kA Breaking Capacity
- RS Stock No.:
- 140-611
- Mfr. Part No.:
- 2CCS861001R1845
- Brand:
- ABB
Subtotal (1 unit)*
£125.47
(exc. VAT)
£150.56
(inc. VAT)
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- Shipping from 28 November 2025
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Units | Per unit |
|---|---|
| 1 + | £125.47 |
*price indicative
- RS Stock No.:
- 140-611
- Mfr. Part No.:
- 2CCS861001R1845
- Brand:
- ABB
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | ABB | |
| Number of Poles | 1 | |
| Current Rating | 125A | |
| Tripping Characteristics | UC-B | |
| Rated DC Voltage | 250V | |
| Breaking Capacity at Maximum Voltage Rating | 50 kA | |
| Series | S801S | |
| Circuit Breaker Type | MCB | |
| Width | 27mm | |
| Length | 82.5mm | |
| Mounting Style | DIN Rail | |
| Depth | 82.5mm | |
| Model Number | S801S-UCB125 | |
| Terminal Contact Type | Screw | |
Select all | ||
|---|---|---|
Brand ABB | ||
Number of Poles 1 | ||
Current Rating 125A | ||
Tripping Characteristics UC-B | ||
Rated DC Voltage 250V | ||
Breaking Capacity at Maximum Voltage Rating 50 kA | ||
Series S801S | ||
Circuit Breaker Type MCB | ||
Width 27mm | ||
Length 82.5mm | ||
Mounting Style DIN Rail | ||
Depth 82.5mm | ||
Model Number S801S-UCB125 | ||
Terminal Contact Type Screw | ||
- COO (Country of Origin):
- CH
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
• 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
• 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.