• Woonyoung WYZS-160~260 Square Busbar-Through Zero-Phase Current Transformer, 200 mA / 100 mV
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Woonyoung WYZS-160~260 Square Busbar-Through Zero-Phase Current Transformer, 200 mA / 100 mV

Woonyoung WYZS-160~260 Square Busbar-Through Zero-Phase Current Transformer, 200 mA / 100 mV

Square busbar-through zero-phase current transformer (200 mA / 100 mV) with 166-260 mm x 30 mm windows for earth leakage alarm (eld) / ground fault relay (gfr) applications.

Key features

  • Primary conductor passes through the core; detects zero-sequence (earth leakage) current
  • Silicon steel core with good permeability for precise output characteristics
  • Self-extinguishing ABS flame-retardant resin case (ABS and PC)
  • Lightweight construction without internal filler
  • Terminal cover for safety
  • KC and CE marked

Specifications

Operating temperature -10 to +60 C
Insulation resistance Secondary-earth DC 500 V megger, 100 MOhm or more
Impulse withstand Secondary-earth 6 kV (1.2/50 us), +/- 1 time
Rated output Primary 200 mA, secondary 100 mV (with 2 kOhm)
Output conditions 200 mA/100 mV (2 kOhm), 500 mA/100 mV (300 Ohm), 1000 mA/100 mV (120 Ohm)
Accuracy 75-125% (primary current)
Dielectric withstand Secondary-earth AC 1,500 V / 1 min
Certificate KC (WYZR-030~200, WYZS-160~260, WYZS-160A~260A)
Application Earth leakage alarm (ELD) / ground fault relay (GFR)
Construction Square, busbar-through
WYZS-160 Window: 166 x 30 mm | Rated current: 400 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 0.8 kg
WYZS-210 Window: 210 x 30 mm | Rated current: 500 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 1.6 kg
WYZS-260 Window: 260 x 30 mm | Rated current: 630 A | Busbar (all wiring systems): 8t x 30 mm | Weight: 1.9 kg
WYZS-160A Window: 166 x 30 mm | Rated current: 630 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 0.8 kg
WYZS-210A Window: 210 x 30 mm | Rated current: 1600 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 1.6 kg
WYZS-260A Window: 260 x 30 mm | Rated current: 1600 A | Busbar (all wiring systems): 8t x 30 mm | Weight: 1.9 kg
Zero-Phase Current TransformersWoonyoung
6 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Woonyoung WYZS-160~260 Square Busbar-Through Zero-Phase Current Transformer, 200 mA / 100 mV

Brand Woonyoung·Zero-Phase Current Transformers

Available part numbers (6)

WYZS-160, WYZS-210, WYZS-260, WYZS-160A, WYZS-210A, WYZS-260A

How to order

Send the Woonyoung 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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Product codes & specifications
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Product codeSpec
WYZS-160Window: 166 x 30 mm | Rated current: 400 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 0.8 kg
WYZS-210Window: 210 x 30 mm | Rated current: 500 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 1.6 kg
WYZS-260Window: 260 x 30 mm | Rated current: 630 A | Busbar (all wiring systems): 8t x 30 mm | Weight: 1.9 kg
WYZS-160AWindow: 166 x 30 mm | Rated current: 630 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 0.8 kg
WYZS-210AWindow: 210 x 30 mm | Rated current: 1600 A | Busbar (all wiring systems): 6t x 25 mm | Weight: 1.6 kg
WYZS-260AWindow: 260 x 30 mm | Rated current: 1600 A | Busbar (all wiring systems): 8t x 30 mm | Weight: 1.9 kg

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