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Kyongbo Electric Ring Type Current Transformer 7.2 kV RH5A Series

Kyongbo Electric Ring Type Current Transformer 7.2 kV RH5A Series

Indoor epoxy vacuum-molded ring-type current transformer, 7.2 kV class, through which the primary cable or bus-bar passes, for metering and protection.

Key features

  • For metering and protection
  • Indoor use
  • Primary cable or bus-bar through type
  • Epoxy vacuum molding insulation
  • Versions with tertiary winding for ground-fault detection
  • Low-voltage 0.23~1.2 kV version available on request

Specifications

Rated Secondary Current 5 A or 1 A
Short-Time Current 40 In ~ 40 kA / 1 s
Rated Frequency 60 Hz (others on request)
Standards KS C 1706, JEC 1201, IEC 61869-2 (IEEE C57.13 on request)
RH55A Service: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 150~2000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DA Service: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 300/150~2000/1000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55RA Service: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 120~2000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DRA Service: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 200/100~2000/1000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55RAT Service: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Single | Current Ratio (A): 400~600/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DRAT Service: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Double | Current Ratio (A): 400/200~600/300/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH58A Service: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 250~3000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DA Service: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 500/250~3000/1500/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58RA Service: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 250~3000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DRA Service: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 300/150~3000/1500/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58RAT Service: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Single | Current Ratio (A): 750~1000/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DRAT Service: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Double | Current Ratio (A): 800/400~1000/500/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH510A Service: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 400~3000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510DA Service: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 800/400~3000/1500/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510RA Service: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 400~3000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510DRA Service: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 400/200~3000/1500/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
Current TransformersKyongbo Electric
16 product codes available in this family
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Kyongbo Electric Ring Type Current Transformer 7.2 kV RH5A Series

Brand Kyongbo Electric·Current Transformers

Available part numbers (16)

RH55A, RH55DA, RH55RA, RH55DRA, RH55RAT, RH55DRAT, RH58A, RH58DA, RH58RA, RH58DRA + 6 more — see full table ↓

How to order

Send the Kyongbo Electric part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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RH55AService: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 150~2000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DAService: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 300/150~2000/1000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55RAService: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 120~2000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DRAService: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 200/100~2000/1000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55RATService: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Single | Current Ratio (A): 400~600/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH55DRATService: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Double | Current Ratio (A): 400/200~600/300/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 54 mm | Weight: approx. 16 kg
RH58AService: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 250~3000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DAService: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 500/250~3000/1500/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58RAService: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 250~3000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DRAService: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 300/150~3000/1500/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58RATService: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Single | Current Ratio (A): 750~1000/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH58DRATService: Protection with tertiary winding (ground fault) | Cores: 1 | Ratio: Double | Current Ratio (A): 800/400~1000/500/5, 100/5 | Accuracy Class: 1P / 5G (JEC) | Burden (VA): 40 / 15 (JEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Primary Through-Hole: dia. 84 mm | Weight: approx. 13 kg
RH510AService: Metering | Cores: 1 | Ratio: Single | Current Ratio (A): 400~3000/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510DAService: Metering | Cores: 1 | Ratio: Double | Current Ratio (A): 800/400~3000/1500/5 | Accuracy Class: 0.5 / 1.0 | Burden (VA): 15 / 40 (KS) / 15 / 30 (IEC) | Max. Voltage / Insulation (KS C 1706): 7.2 kV; 7.2/22/60 kV (6A) | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510RAService: Protection | Cores: 1 | Ratio: Single | Current Ratio (A): 400~3000/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg
RH510DRAService: Protection | Cores: 1 | Ratio: Double | Current Ratio (A): 400/200~3000/1500/5 | Accuracy Class: 1P (JEC) / 5P, 10P (IEC) | Burden (VA): 15 / 40 (JEC) / 15 / 30 (IEC) | Over-Current Factor: n>10 or 20 | Max. Voltage / Insulation (JEC 1201): 6.9 kV; 6.9/22/60 kV | Max. Voltage / Insulation (IEC 61869-2): 7.2 kV; 7.2/20/60 kV | Primary Through-Hole: dia. 104 mm | Weight: approx. 11 kg

Need a different model, or a part not listed here? Send us your parts list →