MCCB 800S Frame, 800A, 65kA - 3 Pole & 4 Pole | Onesto KCM1

The Onesto KCM1 800S Frame MCCB is an 800A moulded case circuit breaker designed for mixed load protection in heavy industrial electrical installations. It is suitable for electricians, panel builders, contractors and maintenance teams who need reliable high-current overcurrent and short-circuit protection on main distribution boards, motor control centres or large machinery installations. Available in both 3 Pole and 4 Pole configurations.

• Application: Suitable for main distribution boards, motor control centres and large industrial installations
• Key specification: 800A rating, 65kA breaking capacity, 690V rated operating voltage
• Pole configuration: Available in 3 Pole or 4 Pole
• Build quality: SABS approved to IEC 60947-2 / SANS 556-1, 800S frame

Key Features

• Moulded case construction for durability in panel and enclosure installations
• Mixed load rating suitable for a wide range of circuit types
• Rated for continuous operation at 690VAC, 50/60Hz, at 40°C ambient
• High 65kA breaking capacity suited to heavy industrial fault-current levels
• Compatible with matching accessories for the 800S frame range

Typical Applications

• Heavy industrial main distribution boards
• Motor control centres
• Large machinery and plant protection
• Generator and genset protection circuits
• Large commercial building main protection

Technical Specifications

What's Included

• 1 x Onesto KCM1 800S Frame 800A MCCB (as per selected pole configuration)

Please note: Enclosures, extension connectors, shunt trips, auxiliary contacts, under-voltage trips and vari-depth handles are not included and are available separately.

Installation & Compatibility Notes

• Confirm the required number of poles before ordering.
• Confirm the breaker will be installed in a suitable enclosure rated for the 800S frame size.
• Installation must be carried out by a suitably qualified electrician in accordance with local electrical regulations.
• For remote tripping or auxiliary signalling, order the matching accessory separately.

Warranty & Support

This product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms.

Zisabo supplies quality plumbing, pump, filtration and electrical products with practical support to help customers choose the correct item for their application. If you are unsure whether this product is suitable, contact us before ordering and our team will assist where possible.

Need help choosing? If you are unsure which pole configuration is correct for your board, contact Zisabo with your application details and we will assist where possible.