Variable Frequency Drives | Surplus Network

Single To 3 Phase 7.5KW 10HP 220V Variable Frequency Drive Inverter CNC VFD VSD

Single To 3 Phase 7.5KW 10HP 220V...

$169.90 USD

Single To 3 Phase 7.5KW 10HP 220V...

$169.90 USD

Single To 3 Phase 220V 7.5KW 10HP Variable Frequency Drive Inverter CNC VFD VSD

Single To 3 Phase 220V 7.5KW 10HP...

$169.90 USD

Single To 3 Phase 220V 7.5KW 10HP...

$169.90 USD

7.5KW 220V 10HP Variable Frequency Drive Converter VFD Inverter 1 To 3 Phase CE

7.5KW 220V 10HP Variable Frequency...

$169.90 USD

7.5KW 220V 10HP Variable Frequency...

$169.90 USD

7.5KW 10HP 220V VFD SINGLE PHASETO 3 PHASE VARIABLE FREQUENCY DRIVE INVERTER VSD

7.5KW 10HP 220V VFD SINGLE PHASETO 3...

$169.90 USD

7.5KW 10HP 220V VFD SINGLE PHASETO 3...

$169.90 USD

VEVOR 7.5KW 10HP Variable Frequency Drive Inverter Convert 1 To 3 Phase VFD 220V

VEVOR 7.5KW 10HP Variable Frequency...

$189.99 USD

VEVOR 7.5KW 10HP Variable Frequency...

$189.99 USD

VEVOR 3HP 2.2KW 10A Variable Frequency Drive VFD for 3-Phase Motor Speed Control

VEVOR 3HP 2.2KW 10A Variable...

$76.99 USD

VEVOR 3HP 2.2KW 10A Variable...

$76.99 USD

Lenze EMB9351-E Brake Module

Lenze EMB9351-E Brake Module

$155.33 USD

Lenze EMB9351-E Brake Module

$155.33 USD

VEVOR 3KW 4HP 220V Variable Frequency Drive Inverter Converter 1 To 3 Phase VFD

VEVOR 3KW 4HP 220V Variable Frequency...

$99.99 USD

VEVOR 3KW 4HP 220V Variable Frequency...

$99.99 USD

Allen Bradley 25B-D2P3N104 Drive PowerFlex 525 Series A USED

Allen Bradley 25B-D2P3N104 Drive...

$89.88 USD

Allen Bradley 25B-D2P3N104 Drive...

$89.88 USD

VEVOR 4KW 220V 5HP Variable Frequency Drive Converter VFD Inverter 1 To 3 Phase

VEVOR 4KW 220V 5HP Variable Frequency...

$119.99 USD

VEVOR 4KW 220V 5HP Variable Frequency...

$119.99 USD

Schneider Electric Drive .18kW .25HP 200 to 240V 1 Phase ATV12H018M2

Schneider Electric Drive .18kW .25HP...

$119.99 USD

Schneider Electric Drive .18kW .25HP...

$119.99 USD

ABB EV Charger 6AGC073155 YVD.V2NE9.0 TX3 TX4 CE Weldment Terra Connector Holder

ABB EV Charger 6AGC073155 YVD.V2NE9.0...

$119.99 USD

ABB EV Charger 6AGC073155 YVD.V2NE9.0...

$119.99 USD

Huanyang VFD,Single to 3 Phase,Variable Frequency Drive,2.2kW 3HP 220V Inverter

Huanyang VFD,Single to 3...

$80.99 USD

Huanyang VFD,Single to 3...

$80.99 USD

VFD Vector CNC Variable Frequency Drive 4kW 5HP 220V 17A for Motor Speed Control

VFD Vector CNC Variable Frequency...

$103.98 USD

VFD Vector CNC Variable Frequency...

$103.98 USD

Mitsubishi Electric D700 FR-D720-042-W1 VFD AC Drive Inverter 3PH 200-240V 1HP

Mitsubishi Electric D700...

$83.99 USD

Mitsubishi Electric D700...

$83.99 USD

1pcs New in box Siemens 6SL3210-5BE25-5UV0 Industry Inverter 6SL3 210-5BE25-5UV0

1pcs New in box Siemens...

$338.71 USD

1pcs New in box Siemens...

$338.71 USD

VFD,Single to 3 Phase,Variable Frequency Drive,1.5kW 2HP 220V Input AC 7A

VFD,Single to 3 Phase,Variable...

$76.48 USD

VFD,Single to 3 Phase,Variable...

$76.48 USD

Single To 3 Phase 7.5KW 10HP 220V Variable Frequency Drive Inverter CNC VFD

Single To 3 Phase 7.5KW 10HP 220V...

$159.06 USD

Single To 3 Phase 7.5KW 10HP 220V...

$159.06 USD

New Allen-Bradley 700S-CF620EJC Safety Relay

New Allen-Bradley 700S-CF620EJC ...

$97.95 USD

New Allen-Bradley 700S-CF620EJC ...

$97.95 USD

NEW Siemens 6SL3210-1KE23-2AF1 6SL3210-1KE23-2AF1

NEW Siemens 6SL3210-1KE23-2AF1...

$1,137.43 USD

NEW Siemens 6SL3210-1KE23-2AF1...

$1,137.43 USD

Allen-Bradley 25B-D010N104 PowerFlex 525 4kW (5Hp) AC Drive

Allen-Bradley 25B-D010N104 PowerFlex...

$433.29 USD

Allen-Bradley 25B-D010N104 PowerFlex...

$433.29 USD

VEVOR 1.5KW 2HP Variable Frequency Drive Inverter 1 to 3 Phase VSD VFD 7A 220V

VEVOR 1.5KW 2HP Variable Frequency...

$68.99 USD

VEVOR 1.5KW 2HP Variable Frequency...

$68.99 USD

NEW Allen Bradley 25B-D4P0N104 525 1.5kW 2Hp AC Drive New In Box AB 25B-D4P0N104

NEW Allen Bradley 25B-D4P0N104 525...

$349.00 USD

NEW Allen Bradley 25B-D4P0N104 525...

$349.00 USD

Yaskawa VFD CIMR-VU4A0009FAA 400v 3 Phase 3HP 8.8A/7.2A V1000 AC Drive

Yaskawa VFD CIMR-VU4A0009FAA 400v 3...

$349.00 USD

Yaskawa VFD CIMR-VU4A0009FAA 400v 3...

$349.00 USD

New Allen-Bradley 700S-CF440DC, Safety Relay

New Allen-Bradley 700S-CF440DC, ...

$84.95 USD

New Allen-Bradley 700S-CF440DC, ...

$84.95 USD

Schneider Telemecanique ATV31H075N4 Drive Altivar 31

Schneider Telemecanique ATV31H075N4...

$87.88 USD

Schneider Telemecanique ATV31H075N4...

$87.88 USD

Mollom VFD 220V 2.2KW 220V Single or Three Phase Input NEW

Mollom VFD 220V 2.2KW 220V Single or...

$62.99 USD

Mollom VFD 220V 2.2KW 220V Single or...

$62.99 USD

New AB 25B-D010N104 /A Powerflex 525 AC Drive 5HP 4.0KW

New AB 25B-D010N104 /A Powerflex 525...

$400.00 USD

New AB 25B-D010N104 /A Powerflex 525...

$400.00 USD

Vfd 5 Kw 220 Single Phase To 380/480 V 3 Phase 50/60 Hz 0-500 Hz

Vfd 5 Kw 220 Single Phase To 380/480...

$400.00 USD

Vfd 5 Kw 220 Single Phase To 380/480...

$400.00 USD

New Sealed 20F1AND186JA0NNNNN PowerFlex Air Cooled 753 AC Drive AB Free Shipping

New Sealed 20F1AND186JA0NNNNN...

$6,702.00 USD

New Sealed 20F1AND186JA0NNNNN...

$6,702.00 USD

3HP 220V 2.2KW Variable Frequency Drive Inverter VFD Single to three Phase

3HP 220V 2.2KW Variable Frequency...

$86.99 USD

3HP 220V 2.2KW Variable Frequency...

$86.99 USD

Huanyang VFD 110V 1.5kw 2HP Variable Frequency Drive Inverter Convert 1to3 Phase

Huanyang VFD 110V 1.5kw 2HP Variable...

$114.00 USD

Huanyang VFD 110V 1.5kw 2HP Variable...

$114.00 USD

Huanyang VFD 220V 2.2kw 3HP Variable Frequency Drive Inverter Convert for Motor

Huanyang VFD 220V 2.2kw 3HP Variable...

$99.98 USD

Huanyang VFD 220V 2.2kw 3HP Variable...

$99.98 USD

Allen-Bradley 22A-D2P3N104 PowerFlex 4 0.75 kW 1 HP AC Drive

Allen-Bradley 22A-D2P3N104 PowerFlex...

$399.99 USD

Allen-Bradley 22A-D2P3N104 PowerFlex...

$399.99 USD

Allen-Bradley 22A-D8P7N104 PowerFlex Series A

Allen-Bradley 22A-D8P7N104 PowerFlex...

$399.99 USD

Allen-Bradley 22A-D8P7N104 PowerFlex...

$399.99 USD

Huanyang VFD 110V 2.2kw 3H Variable Frequency Drive Inverter Convert 1to3 Phase

Huanyang VFD 110V 2.2kw 3H Variable...

$124.98 USD

Huanyang VFD 110V 2.2kw 3H Variable...

$124.98 USD

New In Box Delta VFD015M21A Frequency Converter 1.5KW 230V USA

New In Box Delta VFD015M21A Frequency...

$76.71 USD

New In Box Delta VFD015M21A Frequency...

$76.71 USD

2.2KW 3HP 220V Variable Frequency Drive Inverter CNC VFD VSD Single To 3 Phase

2.2KW 3HP 220V Variable Frequency...

$78.19 USD

2.2KW 3HP 220V Variable Frequency...

$78.19 USD

7.5KW 10HP VFD 220V 1 or 3 Phase Input 3 Phase Output Variable Frequency Drive

7.5KW 10HP VFD 220V 1 or 3 Phase...

$135.00 USD

7.5KW 10HP VFD 220V 1 or 3 Phase...

$135.00 USD

New Allen Bradley PowerFlex 755 VFD 20G1AND186AN0NNNNN 150 HP 18 Mo Wty

New Allen Bradley PowerFlex 755 VFD...

$8,922.00 USD

New Allen Bradley PowerFlex 755 VFD...

$8,922.00 USD

Emerson Control Techniques SP2402 UniDrive, 380-480V 50-60Hz 3ph

Emerson Control Techniques SP2402...

$699.00 USD

Emerson Control Techniques SP2402...

$699.00 USD

1HP Variable Frequency Drive Converter CNC Inverter Single To 3 Phase 750W 220V

1HP Variable Frequency Drive...

$38.00 USD

1HP Variable Frequency Drive...

$38.00 USD

2023 20G11ND065JA0NNNNN Brand New...

$4,400.98 USD

2023 20G11ND065JA0NNNNN Brand New...

$4,400.98 USD

VEVOR 2HP 1.5KW VFD Single Phase Variable Frequency Drive Inverter VSD VFD

VEVOR 2HP 1.5KW VFD Single Phase...

$79.99 USD

VEVOR 2HP 1.5KW VFD Single Phase...

$79.99 USD

Schneider Electric Altivar ATV12H018F1 AC Speed Drive 120VAC to 3Phase 200-240

Schneider Electric Altivar...

$100.00 USD

Schneider Electric Altivar...

$100.00 USD

Fuji Electric FRN0004C2S-4U Frenic-Mini Variable Speed Drive

Fuji Electric FRN0004C2S-4U...

$100.00 USD

Fuji Electric FRN0004C2S-4U...

$100.00 USD

Delta VFD2A7MS43ANSAA Variable Frequency Drive

Delta VFD2A7MS43ANSAA Variable...

$100.00 USD

Delta VFD2A7MS43ANSAA Variable...

$100.00 USD

SIEMENS Inverter 6SL3210-1KE11-8AP2 6SL3 210-1KE11-8AP2

SIEMENS Inverter 6SL3210-1KE11-8AP2...

$300.00 USD

SIEMENS Inverter 6SL3210-1KE11-8AP2...

$300.00 USD

SINAMICS 6SL3210-1KE11-8AP1 COMPACT CONVERTER SINAMICS G120C DP

SINAMICS 6SL3210-1KE11-8AP1 COMPACT...

$300.00 USD

SINAMICS 6SL3210-1KE11-8AP1 COMPACT...

$300.00 USD

2023 New 25B-D043N114 25BD043N114 Allen Bradley PowerFlex 525 AC Drive

2023 New 25B-D043N114 25BD043N114...

$1,664.10 USD

2023 New 25B-D043N114 25BD043N114...

$1,664.10 USD

E82EV552K4C200 Frequency Inverter New And Original Fast Shipping US Stock

E82EV552K4C200 Frequency Inverter New...

$1,404.00 USD

E82EV552K4C200 Frequency Inverter New...

$1,404.00 USD

Single To 3 Phase 750W 1HP 110/220V Variable Frequency Drive Inverter VFD VSD

Single To 3 Phase 750W 1HP 110/220V...

$48.99 USD

Single To 3 Phase 750W 1HP 110/220V...

$48.99 USD

Variable Frequency Driver 5HP 220V 4KW Interver VFD Single to 3 Phase Output

Variable Frequency Driver 5HP 220V...

$136.59 USD

Variable Frequency Driver 5HP 220V...

$136.59 USD

Variable Frequency Drive Inverter 10HP 220V CNC VFD VSD 7.5KW 1 To 3 Phase New

Variable Frequency Drive Inverter...

$159.08 USD

Variable Frequency Drive Inverter...

$159.08 USD

Variable Frequency Drive Inverter 10HP 220V CNC VFD VSD 7.5KW 1 To 3 Phase New

Variable Frequency Drive Inverter...

$159.08 USD

Variable Frequency Drive Inverter...

$159.08 USD

〖in US〗2.2KW VFD Inverter 220V 11A 1000hz Variable Frequency Drive Converter VSD

〖in US〗2.2KW VFD Inverter 220V...

$88.00 USD

〖in US〗2.2KW VFD Inverter 220V...

$88.00 USD

Danfoss Drive 380-480V 7.5 HP 11A 3 Phase FC-102P5K5T4

Danfoss Drive 380-480V 7.5 HP 11A 3...

$480.00 USD

Danfoss Drive 380-480V 7.5 HP 11A 3...

$480.00 USD

DELTA VFD 2HP Model: VFD015EL21W1

DELTA VFD 2HP Model: VFD015EL21W1

$169.00 USD

DELTA VFD 2HP Model: VFD015EL21W1

$169.00 USD

2023 New Factory Sealed Allen Bradley 25B-D2P3N104 /A 1HP 25BD2P3N104

2023 New Factory Sealed Allen Bradley...

$276.00 USD

2023 New Factory Sealed Allen Bradley...

$276.00 USD

AS IS UNTESTED Delta MS300 Series Inverter VFD7A5MS23ANSAA 240V 0-599Hz

AS IS UNTESTED Delta MS300 Series...

$125.00 USD

AS IS UNTESTED Delta MS300 Series...

$125.00 USD

Invertek Drives Optidrive E2 ODE-2-12005-3H012 AC Drive

Invertek Drives Optidrive E2...

$125.00 USD

Invertek Drives Optidrive E2...

$125.00 USD

220V/4KW 6HP Variable Frequency Drive,20A VFD Inverter Single Phase to 3 Phase

220V/4KW 6HP Variable Frequency...

$69.99 USD

220V/4KW 6HP Variable Frequency...

$69.99 USD

VEVOR 7.5KW 10HP VFD Variable Frequency Drive for 3-Phase Motor Speed Control

VEVOR 7.5KW 10HP VFD Variable...

$160.99 USD

VEVOR 7.5KW 10HP VFD Variable...

$160.99 USD

220V Variable Frequency Drive Inverter Converter 3KW 4HP 1 To 3 Phase VFD New

220V Variable Frequency Drive...

$98.73 USD

220V Variable Frequency Drive...

$98.73 USD

2HP 220V 2.2KW Variable Frequency Drive Inverter VFD Single to three Phase E0A3

2HP 220V 2.2KW Variable Frequency...

$68.81 USD

2HP 220V 2.2KW Variable Frequency...

$68.81 USD

Allen Bradley 22A-D8P7N104 Powerflex 40 AC Drive Series A

Allen Bradley 22A-D8P7N104 Powerflex...

$388.33 USD

Allen Bradley 22A-D8P7N104 Powerflex...

$388.33 USD

SCHNEIDER ELECTRIC ATV320U07M2C Altivar Machine Variable Speed Drive

SCHNEIDER ELECTRIC ATV320U07M2C...

$159.99 USD

SCHNEIDER ELECTRIC ATV320U07M2C...

$159.99 USD

Fuji FRN0115E2S-2GB 40 HP FRENIC-ACE Variable Frequency Drive, 200-240VAC, 115A

Fuji FRN0115E2S-2GB 40 HP FRENIC-ACE...

$1,699.97 USD

Fuji FRN0115E2S-2GB 40 HP FRENIC-ACE...

$1,699.97 USD

NEW Allen Bradley 25B-D4P0N104 525 1.5kW 2Hp AC Drive New In Box AB 25B-D4P0N104

NEW Allen Bradley 25B-D4P0N104 525...

$292.00 USD

NEW Allen Bradley 25B-D4P0N104 525...

$292.00 USD

NEW Sealed Allen-Bradley 25B-D1P4N104 ONE Year warranty Fast ship

NEW Sealed Allen-Bradley...

$233.99 USD

NEW Sealed Allen-Bradley...

$233.99 USD

New Factory Sealed Allen-Bradley 25B-D4P0N104 PowerFlex 525 AC Drive

New Factory Sealed Allen-Bradley...

$388.62 USD

New Factory Sealed Allen-Bradley...

$388.62 USD

Allen Bradley New 25B-D013N104 525 5.5kW 7.5Hp AC Drive Factory Sealed

Allen Bradley New 25B-D013N104 525...

$524.88 USD

Allen Bradley New 25B-D013N104 525...

$524.88 USD

2022/23 New Sealed Allen Bradley 25B-D017N104 PowerFlex 525 AC Drive 7.5kW 10Hp

2022/23 New Sealed Allen Bradley...

$1,100.00 USD

2022/23 New Sealed Allen Bradley...

$1,100.00 USD

220V Single-phase Input Three-phase Output Motor Driver Frequency Converter D1J2

220V Single-phase Input Three-phase...

$40.99 USD

220V Single-phase Input Three-phase...

$40.99 USD

NEW Allen Bradley AC power flex 525 drive 25B-D017N114 3HP 323-528VAC input 10hp

NEW Allen Bradley AC power flex 525...

$800.00 USD

NEW Allen Bradley AC power flex 525...

$800.00 USD

Automation Direct GS2-43P0 AC Drive 460V 3HP 380-480V 3PH 6A SHIPS FROM USA

Automation Direct GS2-43P0 AC Drive...

$359.95 USD

Automation Direct GS2-43P0 AC Drive...

$359.95 USD

Lenze M12100C AC Tech MC Series Variable Frequency Drive 240VAC 3-Phase, 10HP

Lenze M12100C AC Tech MC Series...

$680.00 USD

Lenze M12100C AC Tech MC Series...

$680.00 USD

BK0-CA1618-H06 - Mitsubishi Resistor

BK0-CA1618-H06 - Mitsubishi Resistor

$49.99 USD

BK0-CA1618-H06 - Mitsubishi Resistor

$49.99 USD

ABB Control Panel ACS-CP-C

ABB Control Panel ACS-CP-C

$49.99 USD

ABB Control Panel ACS-CP-C

$49.99 USD

ABB OT45E3 DISCONNECT SWITCH

ABB OT45E3 DISCONNECT SWITCH

$102.00 USD

ABB OT45E3 DISCONNECT SWITCH

$102.00 USD

Allen Bradley 20F11ND8P0AA0NNNNN Powerflex 753 AC Drive 480 20F11ND8POAAONNNNN

Allen Bradley 20F11ND8P0AA0NNNNN...

$908.89 USD

Allen Bradley 20F11ND8P0AA0NNNNN...

$908.89 USD

New 20AC8P7A0AYNANC0 Allen-Bradley 20AC8P7A0AYNANC0 PowerFlex 70 AC Drive

New 20AC8P7A0AYNANC0 Allen-Bradley...

$1,469.00 USD

New 20AC8P7A0AYNANC0 Allen-Bradley...

$1,469.00 USD

TESTED Allen Bradley 25B-D030N104 /A PowerFlex *READ*

TESTED Allen Bradley 25B-D030N104 /A...

$1,079.99 USD

TESTED Allen Bradley 25B-D030N104 /A...

$1,079.99 USD

New 25C-D1P4N104 Allen Bradley PowerFlex 527 AC Drive 0.4kW / 0.5Hp

New 25C-D1P4N104 Allen Bradley...

$584.00 USD

New 25C-D1P4N104 Allen Bradley...

$584.00 USD

NEW Allen Bradley AC power flex 525 drive 25B-D024N114 15HP 323-528VAC input

NEW Allen Bradley AC power flex 525...

$900.00 USD

NEW Allen Bradley AC power flex 525...

$900.00 USD

Danfoss VLT HVAC Drive 5.5kW / 7.5 HP 131F0670

Danfoss VLT HVAC Drive 5.5kW / 7.5 HP...

$569.99 USD

Danfoss VLT HVAC Drive 5.5kW / 7.5 HP...

$569.99 USD

22B-D4P0N104 NEW Sealed AB 22B-D4P0N104 PowerFlex Allen-Bradley AC Drive HT 1PCS

22B-D4P0N104 NEW Sealed AB...

$498.25 USD

22B-D4P0N104 NEW Sealed AB...

$498.25 USD

Westinghouse L510-101-h1-u 115V 0.75 KW 1 HP Variable Frequency Drive

Westinghouse L510-101-h1-u 115V 0.75...

$89.00 USD

Westinghouse L510-101-h1-u 115V 0.75...

$89.00 USD

New Mitsubishi FR-PU02V Inverter Option FR Series Drive Parameter Unit Keypad

New Mitsubishi FR-PU02V Inverter...

$59.00 USD

New Mitsubishi FR-PU02V Inverter...

$59.00 USD

NEW In Box Allen-Bradley 700S-CF620EJC Safety Relay 700SCF620EJC Free Shipping

NEW In Box Allen-Bradley...

$130.00 USD

NEW In Box Allen-Bradley...

$130.00 USD

Mitsubishi FR-D720-070-W1 Inverter Drive Compact

Mitsubishi FR-D720-070-W1 Inverter...

$111.00 USD

Mitsubishi FR-D720-070-W1 Inverter...

$111.00 USD

Allen Bradley PowerFlex 40P 3HP VFD 22D-D6P0N104 ser A 380-480V Tested Low Hours

Allen Bradley PowerFlex 40P 3HP VFD...

$160.00 USD

Allen Bradley PowerFlex 40P 3HP VFD...

$160.00 USD

Danfoss VLT Drive 380-480 VAC 18.5 KW 25 HP 3 Phase 131B4976 FC-102P18KT4

Danfoss VLT Drive 380-480 VAC 18.5 KW...

$1,500.00 USD

Danfoss VLT Drive 380-480 VAC 18.5 KW...

$1,500.00 USD

Allen Bradley 22A-D4P0N104 /A PowerFlex 4 480VAC 3-Ph 4A 1.5kW AC Drive Frame A

Allen Bradley 22A-D4P0N104 /A...

$285.81 USD

Allen Bradley 22A-D4P0N104 /A...

$285.81 USD

VEVOR 220V 4HP 13A 3KW Variable Frequency Drive Inverter VFD VSD 1 to 3 Phase

VEVOR 220V 4HP 13A 3KW Variable...

$109.99 USD

VEVOR 220V 4HP 13A 3KW Variable...

$109.99 USD

1PCS New Schneider AC Motor Driver ATV12HU15M2 2HP, 230V

1PCS New Schneider AC Motor Driver...

$228.73 USD

1PCS New Schneider AC Motor Driver...

$228.73 USD

NEW Allen-Bradley 25B-D037N114 PowerFlex 525 AC Drive 25BD037N114

NEW Allen-Bradley 25B-D037N114...

$1,350.00 USD

NEW Allen-Bradley 25B-D037N114...

$1,350.00 USD

Brand New Schneider VW3A3616 Modbus...

$225.00 USD

Brand New Schneider VW3A3616 Modbus...

$225.00 USD

New In Box IXYS VHF28-16iO5 Power Supply Module

New In Box IXYS VHF28-16iO5 Power...

$37.88 USD

New In Box IXYS VHF28-16iO5 Power...

$37.88 USD

Allen Bradley 22F-B8P0N103 /A PowerFlex 4M 240V 3-Ph 8A 1.5kW Frame A AC Drive

Allen Bradley 22F-B8P0N103 /A...

$379.00 USD

Allen Bradley 22F-B8P0N103 /A...

$379.00 USD