Schenker | Surge Arrestor 40kA, 1-4 Pole, 275V

The Schenker BY15-40 Surge Arrestor is a mini rail surge protection device rated at 40kA, designed to protect electrical installations, distribution boards and connected equipment from transient overvoltage caused by lightning strikes and switching surges. It includes a visual indication window so installers and maintenance teams can check protection status at a glance. Available in 1, 2, 3 and 4 pole configurations at 275V, it is a popular mid-to-high discharge rating suited to properties with a moderate to higher lightning exposure.

• Application: Surge protection for domestic, commercial and light industrial distribution boards, 275V
• Key specification: 40kA maximum discharge current (Imax)
• Configuration: Available in 1, 2, 3 and 4 pole versions
• Status indicator: Indication window shows device status
• Mounting: Mini rail (DIN rail) installation

Key Features

• 40kA maximum discharge current (Imax) suited to properties with moderate to higher surge exposure, such as farms and rural areas
• Indication window lets installers check device status without removing it from the rail
• Compact mini rail mounting saves space in distribution boards
• Full range of pole configurations (1-4P) to match single-phase or three-phase boards

Typical Applications

• Domestic and commercial distribution board protection
• Farm and rural property protection where lightning exposure is higher
• Borehole pump and irrigation control panel protection
• Protection of sensitive electronic equipment against transient overvoltage
• Upgrading boards from a 10-20kA to a 40kA SPD for greater surge exposure risk

Technical Specifications

What's Included

• 1 x Schenker BY15-40 Surge Arrestor (pole configuration as selected)

Please note: DIN rail, distribution board wiring, circuit breakers and installation accessories are not included unless specifically listed above.

Installation & Compatibility Notes

• Confirm your system voltage (275V) before ordering.
• Select the pole configuration (1P, 2P, 3P or 4P) that matches your distribution board and phase configuration.
• Installation should be carried out by a suitably qualified electrician in line with local wiring regulations.
• Check the indication window periodically to confirm the device is still functional.

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 whether this product is suitable for your board, contact Zisabo with your system voltage and pole configuration, and we will assist where possible.