Circutor M74028 TQ-6 Split Core Current Transformer 300/5A, 20x30mm
Circutor M74028 — transformer (TQ-6): class 0.5 burden 0.5 VA, class 1 burden 1 VA, operating voltage 0.72 kV AC max.
The Circutor M74028 is a transformer (TQ-6). Published specifications for this part number include operating voltage 0.72 kV AC max, Wall mount or DIN rail (accessory required) mounting, built to UNE-EN 61869-1, UNE-EN 61869-2, UNE 21031, UL 94, class 0.5 burden 0.5 VA, class 1 burden 1 VA. Further catalogue data covers class 3 burden, dimensions (w × h × d), dynamic current (idyn), enclosure, insulation voltage (s1-s2), maximum flat strip / busbar, maximum installation altitude, nominal frequency. KKM Solutions sources Circutor components to order. Request a quote from KKM Solutions for current pricing, lead time and availability.
| Circutor code | M74028 |
|---|---|
| Class 0.5 burden | 0.5 VA |
| Class 1 burden | 1 VA |
| Class 3 burden | 2 VA |
| Dimensions (W × H × D) | 80 × 98.5 × 28 mm |
| Dynamic current (Idyn) | 2.5 Ith |
| Enclosure | Self-extinguishing plastic, UL 94 V0 |
| Insulation voltage (S1-S2) | 3 kV |
| Maximum flat strip / busbar | 20 × 30 mm |
| Maximum installation altitude | 1000 m |
| Model | TQ-6 |
| Mounting | Wall mount or DIN rail (accessory required) |
| Nominal frequency | 50/60 Hz |
| Operating voltage | 0.72 kV AC max |
| Primary Current | 300 A |
| Protection class | IP 20 |
| Relative Humidity | 15 to 85% (non-condensing) |
| Safety factor (SF) | 10 |
| Source stock status | In stock at source |
| Standards | UNE-EN 61869-1, UNE-EN 61869-2, UNE 21031, UL 94 |
| Storage Temperature | -40 to +85 °C |
| System | Single-phase |
| Thermal class | B (130 °C) |
| Thermal short-circuit current (Ith) | 60 In |
| Transformation ratio | 300/5 A |
| Transformer type | Split core, button opening |
| Working temperature | -5 to +40 °C |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does M74028 cost?
M74028 is listed at CA$105.76 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part and final price, and we email you first if anything has moved. Larger quantities or custom terms — email [email protected] for a volume quote.
Who manufactures the M74028?
M74028 is a Circutor part. KKM Solutions sources Circutor components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is M74028 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for M74028 — check Circutor's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.
What are the key specifications of M74028?
Key specifications include Circutor code: M74028; Class 0.5 burden: 0.5 VA; Class 1 burden: 1 VA; Class 3 burden: 2 VA. The full specification table on this page lists every published attribute for this part.
How quickly can M74028 ship?
In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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