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Belden VFD Cables Provide Superior Electrical Performance and Reliability, Even in the Most Demanding Industrial Environments

NPB235_product Variable-frequency AC motor drive output cables are subject to harsh operating environments characterized by high voltage spikes, high noise levels and adverse environmental conditions. Typical cabling solutions for this application have been unshielded tray cables, single-conductor lead wire installed in conduit or continuously-welded armored cable. These solutions suffer from complex, costly installation and potential reliability problems. Belden Variable-frequency Drive (VFD) cables were designed and engineered to overcome these challenges.

VFD cables carry power from AC drive systems to AC motors. As a result, these cables must handle not only the overall high power levels of the pulse-width modulated (PWM) signals, but also the extremely high voltage which can occur when standing waves develop on the conductors. This high voltage can cause corona discharges to occur between the conductors of conventional cables, causing damage not only to the cabling itself, but also to the motors, bearings, drives and related equipment. In turn, this damage can cause failure of the entire drive system, resulting in costly production downtime.

In addition to experiencing failures due to corona discharge and adverse environmental conditions, conventional VFD cabling is difficult and expensive to install. Armored cable and lead wire in conduit are cumbersome and require extremely large installation bending radii, making installation both time consuming and labor intensive. Yet they still do not solve noise and corona discharge problems, nor do they effectively address the high levels of noise generated by VFDs.

Belden’s MCM VFD cables provide a proven solution for motor-to-drive connections. The cables are essential in noise-sensitive applications or in any damp or wet environment where reflected wave voltages may degrade PVC/nylon conductors. These products are also suitable for use as shielded power cable for other solid state devices. Belden VFD cables provide superior common mode current protection, and help protect a system against the damage of reflected wave voltages and capacitively coupled currents, ensuring maximum safety and reliability.

Download the VFD Cable Reference Guide
Download the White Paper: Select and install the right cable for your VFD motor

Read the "Control Engineering" article (Feb 2013), "The Right System Components Are Critical to Maximizing the Energy-Saving Potential of VFDs"

Features

Only Belden's VFD cables series of 1000V UL flexible motor supply cables in gauge sizes from 16-4/0 provide the robust construction required to deliver superior electrical performance and reliability, even in the most demanding industrial environments.

Our heavy, industrial grade XLPE insulation provides:

More stable electrical performance than PVC
Lower capacitance, resulting in:

Longer cable runs
Reduced peak motor terminal voltage for extended motor life
Reduced likelihood of corona discharge
Reduced magnitude of standing waves
Increased efficiency of power transfer

Our high-stand tinned copper circuit conductors:

Are more flexible for ease of installation
Provide better vibration resistance
Are numbered for ease of identification

Our industrial-grade PVC jacket is:

Oil resistant
Sunlight resistant

Literature

Reference Guide

Certified to Numerous Safety Standards (ratings vary by construction)

1000V UL Flexible Motor Supply
600V UL 1277 Type TC-ER
1000V CSA AWM I/II A/B FT4
1000V UL 2277 WTTC
90C Wet/Dry
Class I & II; Division 2 Hazardous Locations
UL 1685 Vertical Tray Flame Test
IEEE 1202/383 Vertical Tray Flame Test at 70,000 BTU/hour
MSHA
UL Direct Burial
RoHS Compliant
CE Approved

Belden Variable Frequency Drive cables are available in various standard lengths. Armored versions are also available. They are tested and approved for use by Rockwell Automation for the following AC drives: PowerFlex Series, Series 1305, Series 1336 Plus and Plus II, Series 1336 Impact and Series 1336 Force Field-Oriented Control. Belden VFD Cable is also appropriate for drives manufactured by: AA Electric, ABB, Baldor, Cutler-Hammer, Emerson Process Management, Fivestar Electric Motors, General Electric, Hitachi, Magnetek, Mitsubishi Electric Automation, Motion Industries, Quality Drive Systems, Robicon, Siemens, Square D, Toshiba and TB Woods.

Belden Classics - VFD Cables
600 V UL 1277 TC-ER

VFD Cable with (3) Stranded Tinned Copper Conductors + Full-size Insulated Ground, Overall Beldfoil? + 85% Tinned Cooper Braid Shield, Full-size Drain Wire, XLPE Insulated Circuit Conductors, Black PVC Jacket; 1000V UL Flexible Motor Supply Cable
29500 16 AWG Stranded (26x30) Tinned Copper Conductors
29501 14 AWG Stranded (41x30) Tinned Copper Conductors
29502 12 AWG Stranded (65x30) Tinned Copper Conductors
29503 10 AWG Stranded (105x30) Tinned Copper Conductors
29504 8 AWG Stranded (7x19x29) Tinned Copper Conductors
29505 6 AWG Stranded (7x19x27) Tinned Copper Conductors
29506 4 AWG Stranded (7x19x25) Tinned Copper Conductors
29507 2 AWG Stranded (7x19x23) Tinned Copper Conductors

VFD Cable with Signal Pair for Brake, (3) Stranded Tinned Copper Conductors + Full-size PVC Ground, Overall Beldfoil + 85% Tinned Copper Braid Shield, (1) 16 AWG Shielded Signal Pair for Brake with Drain Wire, XLPE Insulated Circuit Conductors, Black PVC Jacket; 1000V UL Flexible Motor Supply Cable
29510 16 AWG Circuit Conductors, 16 AWG Signal Pair
29511 14 AWG Circuit Conductors, 16 AWG Signal Pair
29512 12 AWG Circuit Conductors, 16 AWG Signal Pair
29513 10 AWG Circuit Conductors, 16 AWG Signal Pair

VFD Cable - Symmetrical Design with (3) Stranded Tinned Copper Circuit Conductors + (3) Symmetrical Bare Copper Grounds, 2 Spiral Copper Tape Shields (100% Coverage), XLPE Insulation, Black PVC Jacket; 1000V UL Flexible Motor Supply Cable
29528 1 AWG Stranded (7x19x22) Tinned Copper Conductors
29529 1/0 AWG Stranded (7x19x21) Tinned Copper Conductors
29530 2/0 AWG Stranded (7x19x20) Tinned Copper Conductors
29531 3/0 AWG Stranded (7x19x19) Tinned Copper Conductors
29532 4/0 AWG Stranded (7x29x18) Tinned Copper Conductors

Belden Classics - 2kV VFD Cables
2000V UL 1277 TC-ER

VFD Cable with (3) Stranded Tinned Copper Conductors + Full-size Insulated Ground, Overall Beldfoil? + 85% Tinned Cooper Braid Shield, Full-size Drain Wire, XLPE Insulated Circuit Conductors, Black PVC Jacket; 2000V UL Flexible Motor Supply Cable
29536 14 AWG Stranded (41x30) Tinned Copper Conductors
29537 12 AWG Stranded (65x30) Tinned Copper Conductors
29538 10 AWG Stranded (105x30) Tinned Copper Conductors
29539 8 AWG Stranded (7x19x29) Tinned Copper Conductors
29540 6 AWG Stranded (7x19x27) Tinned Copper Conductors
29541 4 AWG Stranded (7x19x25) Tinned Copper Conductors
29542 2 AWG Stranded (7x19x23) Tinned Copper Conductors

VFD Cable - Symmetrical Design with (3) Stranded Tinned Copper Circuit Conductors + (3) Symmetrical Bare Copper Grounds, 2 Spiral Copper Tape Shields (100% Coverage), XLPE Insulation, Black PVC Jacket; 2000V UL Flexible Motor Supply Cable
29543 1 AWG Stranded (7x19x23) Tinned Copper Conductors
29544 1/0 AWG Stranded (7x19x21) Tinned Copper Conductors
29545 2/0 AWG Stranded (7x19x20) Tinned Copper Conductors
29546 3/0 AWG Stranded (7x19x19) Tinned Copper Conductors
29547 4/0 AWG Stranded (7x19x18) Tinned Copper Conductors

Belden Classics – Low Smoke Zero Halogen Jacketed VFD Cables
600V UL 1277 TC-ER

29500T 16 AWG Stranded (26x30) Tinned Copper Conductors
29501T 14 AWG Stranded (41x30) Tinned Copper Conductors
29502T 12 AWG Stranded (65x30) Tinned Copper Conductors
29503T 10 AWG Stranded (105x30) Tinned Copper Conductors
29504T 8 AWG Stranded (7x19x29) Tinned Copper Conductors
29505T 6 AWG Stranded (7x19x27) Tinned Copper Conductors
29506T 4 AWG Stranded (7x19x25) Tinned Copper Conductors
29507T 2 AWG Stranded (7x19x23) Tinned Copper Conductors

29528T 1 AWG Stranded (7x19x22) Tinned Copper Conductors
29529T 1/0 AWG Stranded (7x19x21) Tinned Copper Conductors
29530T 2/0 AWG Stranded (7x19x20) Tinned Copper Conductors
29531T 3/0 AWG Stranded (7x19x19) Tinned Copper Conductors
29532T 4/0 AWG Stranded (7x29x18) Tinned Copper Conductors

Interlocked Armor VFD Cables with (3) Stranded Tinned Copper Circuit Conductors + 3 Symmetrical Bare Copper Grounds, 2 Spiral Copper Tape Shields (100% Coverage), XLPE Insulation, Black PVC Inner & Outer Jackets; 600V UL 1277 Type MC

Aluminum Armored
1229520 16 AWG Tinned Copper Circuit Conductors
1229521 14 AWG Tinned Copper Circuit Conductors
1229522 12 AWG Tinned Copper Circuit Conductors
1229523 10 AWG Tinned Copper Circuit Conductors
1229524 8 AWG Tinned Copper Circuit Conductors
1229525 6 AWG Tinned Copper Circuit Conductors
1229526 4 AWG Tinned Copper Circuit Conductors
1229527 2 AWG Tinned Copper Circuit Conductors
1229528 1 AWG Tinned Copper Circuit Conductors
1229529 1/0 AWG Tinned Copper Circuit Conductors
1229530 2/0 AWG Tinned Copper Circuit Conductors
1229531 3/0 AWG Tinned Copper Circuit Conductors
1229532 4/0 AWG Tinned Copper Circuit Conductors

Steel Armored
1329520 16 AWG Tinned Copper Circuit Conductors
1329521 14 AWG Tinned Copper Circuit Conductors
1329522 12 AWG Tinned Copper Circuit Conductors
1329523 10 AWG Tinned Copper Circuit Conductors
1329524 8 AWG Tinned Copper Circuit Conductors
1329525 6 AWG Tinned Copper Circuit Conductors
1329526 4 AWG Tinned Copper Circuit Conductors
1329527 2 AWG Tinned Copper Circuit Conductors
1329528 1 AWG Tinned Copper Circuit Conductors
1329529 1/0 AWG Tinned Copper Circuit Conductors
1329530 2/0 AWG Tinned Copper Circuit Conductors
1329531 3/0 AWG Tinned Copper Circuit Conductors
1329532 4/0 AWG Tinned Copper Circuit Conductors

Belden Basics - VFD Cables

Belden Basics VFD (Variable Frequency Drive) Cable
600V UL1277 Type TC-ER

Belden's Basics line of VFD cables far surpasses the performance and robustness of standard control cable, extending the life and efficiency of drive systems.

The cables are economical solutions for appropriate VFD installations. These products utilize bare copper conductors with XLPE insulation and an XHHW-2 rating. Symmetrical design provides performance necessary for AC motor drives. Its effective shielding provides a low resistance ground path, which improves common mode current containment. The spirally applied dual copper tapes provide improved flexibility and EMI/RFI noise protection. Three symmetrical bare ground wires provide a balanced ground system. This reduces the likelihood of premature motor bearing or motor insulation failure.

Cable Specifications

600V UL 1277 Type TC-ERper 2005 NEC Article 336
1000V CSA AWM I/II A/B FT4
Bare Copper Conductors
Class B Stranding per ASTM
XLPE Insulation XHHW-2 Rated Circuit Conductors
90°C Wet/Dry
Class I & II; Division 2 Hazardous Locations
UL 1685 Vertical Tray Flame Test
IEEE 1202/383 Vertical Tray Flame Test
UL Direct Burial
RoHS Compliant
CE Approved

16 to 4/0 AWG with Copper Tape Shield, Symmetrical Design

16 to 4/0 AWG (3) Stranded Bare Copper Circuit Conductors + (3) Symmetrical Bare Copper Grounds ″ (2) Spiral Copper Tape Shields (100% Coverage)

29520C 16 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29521C 14 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29522C 12 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29523C 10 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29524C 8 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29525C 6 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29526C 4 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29527C 2 AWG Stranded (7x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29528C 1 AWG Stranded (19x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29529C 1/0 AWG Stranded (19x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29530C 2/0 AWG Stranded (19x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29531C 3/0 AWG Stranded (19x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes
29532C 4/0 AWG Stranded (19x) Bare Copper Circuit Conductors (2) Spiral Copper Tapes

Belden MCM VFD Cables

250-500 MCM Sizes to Support Larger Drives and Motors up to 250HP at 460V.

Belden's tray-rated, exposed-run variable frequency drive (VFD) cables in 250 MCM, 350 MCM and 500 MCM address the special needs of VFD installations. VFDs reduce energy consumption, and thus operating costs, and the right MCM VFD cables help extend the life of higher horsepower motors (up to 250 HP at 460V) and drives and to reduce the impact of VFDs on other plant equipment.

29533 250 MCM Three-stranded Bare Circuit Conductors
29534 350 MCM Three-stranded Bare Circuit Conductors
29535 500 MCM Three-stranded Bare Circuit Conductors

For Belden's complete line of premium VFD cables, see above information. top

Encoder and Signal Cables

In addition to our full line of VFD Cables, Belden offers the following standard cables for encoder applications. Encoder cables help feed information to the microprocessor regarding both the speed and the position of the rotor. Signal cable can be used for brake or thermal contact applications.

Part No.	Pairs	AWG
8790 (Power Supply)	1	18
9729 (Encoder)	2	24
9730 (Encoder)	3	24
89730 (Encoder)	3	24
9728 (Encoder)	4	24
9892 (Encoder)	4	20
9860 (Signal)	1	16

Belden cables are manufactured in ISO 9001:2000 certified facilities utilizing the most advanced equipment, systems, controls and processes available. As a result, the cables provide superior performance - even under a variety of hostile environmental conditions. Belden also formulates many of its own insulations and jacket compounds for a wide variety of cable types and manufactures its cable jackets in a wide range of colors. For the utmost in protection, Belden offers interlocking steel or aluminum armor (see list above), as well as continuous armor constructions. Smooth or corrugated or corrugated protective metal tapes are also available, as are a host of custom cable designs (orders subject to minimum quantities). Consult with Belden on your particular application.

Next Steps

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Belden VFD Cable 케이블 콘(주) www.CableCon.co.kr