Deliver to
United Kingdom
The Fluke 3665021 (1550C) is a high-voltage insulation resistance tester designed for professional use in power distribution, industrial equipment maintenance and electrical safety verification. It supports in-depth assessment of motors, cables, switchgear and high-voltage installations. Safety is central to its design, holding CAT III 1000 V and CAT IV 600 V ratings for demanding environments.
The Fluke 1550C helps technicians identify insulation degradation early, reducing unplanned downtime and improving asset reliability. Its extended test voltage range makes it suitable for heavy-duty industrial systems. The tester’s stable output and intuitive interface enable consistent results even in large-scale preventative maintenance programs.
For more information please check the datasheets.
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