Why Choose the ABB OT100FT4N2? The ABB OT100FT4N2 is a robust and reliable 100-amp, 4-pole (4P) door-mounted isolator switch designed for demanding industrial applications. Part of ABB’s trusted OT series of switch disconnectors, this model provides secure circuit isolation for enhanced safety during maintenance and repair. Its compact design and door-mounting capability make it an ideal choice for panel builders working with limited enclosure space. This isolator switch offers several key advantages for professional electricians and panel builders: – Reliable Performance: Built to ABB’s exacting standards, ensuring long-lasting and dependable operation. – Enhanced Safety: Provides a secure method for isolating electrical circuits, minimizing risks during maintenance. – Space-Saving Design: Door-mounting frees up valuable panel space. – Robust Construction: IP55 rated enclosure protects against dust and water ingress, suitable for harsh environments. – Simple Operation: Clear on-off switching action for ease of use. Key Features – 100A current rating – 4-pole (4P) configuration – Door-mounted design – 6mm shaft – IP55 protection rating – Horizontal or vertical mounting – Part of the ABB OT switch disconnector series Technical Specifications – Manufacturer: ABB – Part Number/SKU: OT100FT4N2 – Current Rating: 100A – Number of Poles: 4 – Mounting: Door-mounted (horizontal or vertical) – Shaft Size: 6mm – Ingress Protection: IP55 Applications – Industrial control panels – Machine maintenance and repair – HVAC systems – Power distribution boards – Motor control circuits Frequently Asked Questions What are the mounting options for the OT100FT4N2?+ The OT100FT4N2 can be mounted either horizontally or vertically on enclosure doors. What is the IP rating of this isolator switch?+ This switch has an IP55 rating, meaning it is protected against dust and water jets. What other pole configurations are available in the OT series?+ The OT series offers various pole configurations, including 3-pole and 4-pole options, to suit a range of applications. Contact us for details on specific models. { “@context”: “https://schema.org”, “@type”: “FAQPage”, “mainEntity”: [{ “@type”: “Question”, “name”: “What are the mounting options for the OT100FT4N2?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “The OT100FT4N2 can be mounted either horizontally or vertically on enclosure doors.” } },{ “@type”: “Question”, “name”: “What is the IP rating of this isolator switch?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “This switch has an IP55 rating, meaning it is protected against dust and water jets.” } },{ “@type”: “Question”, “name”: “What other pole configurations are available in the OT series?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “The OT series offers various pole configurations, including 3-pole and 4-pole options, to suit a range of applications. Contact us for details on specific models.” } }] }
The ABB 1SFA616163R1005 is a premium 22 mm modular reset pushbutton with shaft designed for industrial control panels, machinery and automation systems. Part of the trusted ABB Modular Pilot Devices range, this pushbutton is identified by the type reference KPR4-100W and provides dependable momentary reset functionality for applications requiring a shaft-operated actuator. It features an extended white actuator with a durable black plastic bezel, delivering reliable operation and excellent visibility in industrial environments.
Designed for demanding industrial applications, the KPR4-100W integrates seamlessly with compatible ABB modular contact blocks and accessories. Its modular construction enables fast, tool-free installation while the self-cleaning contact design helps maximise reliability and minimise maintenance. This makes it an ideal choice for OEM machine builders, panel manufacturers and maintenance engineers.
With an IP66 / NEMA 4X front protection rating, the ABB 1SFA616163R1005 provides excellent resistance against dust and water ingress while maintaining dependable operation in harsh industrial environments. The standard 22 mm mounting diameter ensures compatibility with most industrial control panels and operator stations.
Industrial reset pushbuttons provide operators with a dependable method of restoring machinery following faults, maintenance procedures or emergency stop events. ABB modular pilot devices are engineered for long service life, dependable performance and straightforward installation across industrial automation systems.
The ABB modular pilot device platform provides exceptional flexibility through interchangeable actuators, shafts, contact blocks and accessories, simplifying panel design while ensuring reliable long-term operation and easy maintenance.
It is a modular momentary reset pushbutton with shaft designed for manually resetting industrial machinery and automation equipment.
The actuator is designed for a standard 22 mm mounting diameter with a 22.5 mm panel cut-out.
Yes. The ABB 1SFA616163R1005 features an extended white actuator, making it easier to operate while wearing industrial gloves.
Yes. It is fully compatible with ABB modular contact blocks and pilot device accessories.
Yes. The front of the device is rated IP66 / NEMA 4X, providing excellent protection against dust and water ingress.
ABB modular pilot devices are trusted by machine builders, panel manufacturers and automation engineers worldwide for dependable performance, long service life and seamless integration into industrial control systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...