TK406005205 CURRENT TRANSFORMER 600/5A, 40mm, CL 0.5, 5VA
The TK406005205 (TK 40 Series) is a high-precision low-voltage measuring current transformer engineered for high-accuracy energy metering, power monitoring systems, and panel instrumentation. Featuring a 600/5A transformation ratio, it converts primary AC currents up to 600 Amps down to a standard 5 Amp secondary output with Class 0.5 precision and an enhanced 5VA rated burden capacity. Housed in a self-extinguishing polycarbonate enclosure with a wide 40mm aperture (designed for $40 \times 10\text{ mm}$ busbars or round insulated conductors), this CT ensures exceptional electrical insulation, thermal stability, and vibration resistance for commercial and industrial switchboards.
Specification | Technical Value |
|---|---|
Part / Model Number | TK406005205 (TK 40 Series) |
Product Type | Low Voltage Busbar / Ring Current Transformer |
Primary Rated Current ($I_{pn}$) | 600A AC |
Secondary Rated Current ($I_{sn}$) | 5A AC |
Current Transformation Ratio | 600/5 A |
Accuracy Class | Class 0.5 (Cl. 0.5 High Precision Metering) |
Rated Burden Power Capacity | 5 VA |
Internal Aperture Dimensions | 40 \text{ mm} Diameter / 40 \times 10 \text{ mm} Busbar Slot |
Operating Frequency | 50 / 60 Hz |
Max System Operating Voltage ($U_m$) | 0.72 kV (720V Maximum Operating Voltage) |
Test / Isolation Voltage | 3 kV AC for 1 minute |
Rated Short-Time Thermal Current ($I_{th}$) | 60 \times I_{pn} for 1 second |
Continuous Overload Capacity | 1.2 \times I_{pn} |
Housing Material | Self-Extinguishing Polycarbonate / ABS Plastic |
Flammability Rating | UL94 V-0 |
Secondary Connection | Screw Clamp Terminals with Integrated Sealable Cover |
Mounting Options | Busbar Clamping / Base Mounting Feet / DIN Rail Adapter Clip |
Operating Temperature | -25°C to +55°C |
Compliance & Standards | IEC 61869-2, IEC 60044-1, CE |

Ssaoco Dammam
- Started from: Jul 10, 2025



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