Quick Facts
Nominal Rating
6,000 A
Ratio
6,000A/70mV
Output
70 mV (175 mV per 1 kA, unburdened)
Accuracy
0.75% typical, revenue grade
Coil
7.6 in dia window, 24 in rope
Warranty
10 years
Functional Devices ROPE24-060A-07MV Rogowski Coil Current Transformer
The Functional Devices ROPE24-060A-07MV is a revenue-grade Rogowski coil current transformer rated 6,000 A with a 6,000A/70mV output. The flexible 24-inch rope wraps around bus bars, cable bundles, and large feeders that no rigid core can reach, closing to a 7.6-inch diameter window. Because the coil has no iron core, it cannot saturate, installs in seconds on energized-adjacent gear, and weighs a fraction of an equivalent solid-frame CT.
Output is 70 mV class (175 mV per 1 kA AC at 60 Hz, unburdened) on 6-foot, 24 AWG, 600 V rated leads with Red-Hi, Black-Low polarity and a phase arrow pointing toward the load. To feed 333 mV input meters such as the RIB BACnet power meter family, pair the coil with a Functional Devices MOD-series integrator, which scales the Rogowski output to the 0.333 V analog standard. Accuracy is 0.75% typical with 10%-120% linearity across 20-400 Hz, on circuits up to 600 Vac, indoors.
Specifications verified against the Functional Devices ROPE Series datasheet (rev. 2025.09.25) and Current Transformers family guide C2777D (rev. 2026.03.25).
Best For
- Main switchgear and service-entrance metering at 6,000 A
- Bus bars, parallel feeder bundles, and irregular conductors a rigid CT cannot enclose
- Revenue-grade sub-metering with the RIB power meter family via a MOD-series converter
- Tight enclosures where a lightweight, flexible coil is the only fit
Every Functional Devices RIB product, including the ROPE24-060A-07MV, is backed by the company's 10-year warranty — confidence and peace of mind in every box.
ZOT Supply is an authorized Functional Devices distributor. Every ROPE24-060A-07MV ships as genuine, factory-warranted product with full manufacturer support.
Key Features
Flexible Rogowski Coil
The 24-inch rope opens at the coupling, wraps the conductor, and snaps closed to a 7.6-inch window — no core halves to align and no disconnection of the load.
Revenue-Grade 0.75% Accuracy
Rated 0.75% typical accuracy with 10%-120% linearity across a wide 20-400 Hz range, suitable for billing-class measurement at 6,000 A.
No Core, No Saturation
Air-core Rogowski construction is immune to magnetic saturation, keeping the output linear even on high-current services and asymmetric loads.
70 mV Output, MOD-Ready
Outputs 175 mV per 1 kA AC at 60 Hz (unburdened). A DIN-rail MOD-series module converts the signal to 0.333 V full scale for 333 mV input meters such as the RIBPM413-BC family.
Directional Installation Made Simple
Red-Hi, Black-Low lead polarity and a phase arrow on the coil pointing toward the load take the guesswork out of commissioning.
ETL Listed
ETL Listed with CE and RoHS marks, designed and made in the USA with global materials, and covered by the Functional Devices 10-year warranty.
Technical Specifications
| Functional Devices ROPE24-060A-07MV Specifications | |
|---|---|
| Selection | |
| Nominal Rating | 6,000 A AC |
| Ratio | 6,000A/70mV |
| Core Type | Rogowski coil (rope) |
| Window Diameter | 7.6 in |
| Rope Length | 24 in |
| Electrical | |
| Secondary Output | 175 mV per 1 kA AC at 60 Hz (unburdened); 70 mV class |
| Accuracy | 0.75% (typical) |
| Linearity | 10%-120% |
| Frequency Range | 20-400 Hz |
| Max Sense Voltage | 600 Vac |
| Polarity | Red-Hi, Black-Low; phase arrow points toward load |
| Mechanical and Environment | |
| Lead Wires | 6 ft, 24 AWG, 600 V rated |
| Environment | Indoor use only; 5 to 176 °F (-15 to 80 °C); 90% RH |
| Approvals | |
| Approvals | ETL Listed, CE, RoHS |
Documentation
Specifications cutsheet, rev. 2025.09.25
Companion integrator modules required for 333 mV input meters, rev. 2025.08.12
C2777D — full split-core, solid-core, Rogowski, and MOD-series lineup
Related Products
Open-board BACnet MS/TP power meter
Prewired kit with disconnect and fuses
Meter in NEMA 1 housing with NPT hub
Required Integrator (MOD Series)
Match the integrator to the number of phases being metered; it converts this coil's 70 mV output to the 0.333 Vac standard and runs on 12 or 24 Vdc.
Pairs With These RIB Power Meters (via MOD Converter)
RIB power meters accept Listed 333 mV CTs; pair this 70 mV Rogowski coil through a Functional Devices MOD-series converter module (see guide C2777) to feed the meter's CT inputs.
Other Rogowski Coil Sizes
ROPE-series coils cover 4,000 A through 10,000 A with window diameters from 5.0 to 15.3 inches.
Frequently Asked Questions
Can this Rogowski coil connect directly to the RIBPM413-BC power meter?
Not directly. The RIB power meters accept Listed 333 mV current transformers, and the ROPE coil outputs a 70 mV class signal. Pair it with a Functional Devices MOD-series integrator module, which scales the Rogowski output to 0.333 V full scale; the MOD series is DIN-rail mountable, ETL approved, and runs on 12 Vdc at 1.2 A or 24 Vdc at 0.6 A per the MOD series datasheet.
How does a Rogowski coil differ from a split-core CT?
A Rogowski coil is a flexible, air-core rope rather than a rigid iron core. It wraps conductors and bus arrangements that a fixed window cannot enclose, cannot magnetically saturate, and stays lightweight even at 10,000 A ratings. The trade-off is a low-level millivolt output that integrator hardware, such as the MOD module, conditions for standard meter inputs.
How do I orient the coil during installation?
Wrap the rope around the conductor with the phase arrow pointing toward the load, close the coupling, and land the 6-foot leads with Red-Hi, Black-Low polarity.
Is it revenue grade?
Yes. Functional Devices rates the ROPE series as revenue-grade Rogowski coil current transformers with 0.75% typical accuracy and 10%-120% linearity.
Can I install it outdoors?
No. The datasheet rates it for indoor use only, 5 to 176 deg F (-15 to 80 deg C) at up to 90% relative humidity.
- CT Style:
- Rogowski
- Current Rating:
- 6000A
- Output Signal:
- 70 mV
- Revenue Grade:
- Yes
- Window Size:
- 7.6 in
