Circutor R281A1 CMC 40 B Contactor
Circutor R281A1 — contactor (CMC 40 B): aC supply voltage 220 ... 690 V, cadence of operation 100 operations/h, coil voltage 230 Vac (tolerance: 0.85 ... 1.1 Un).
The Circutor R281A1 is a contactor (CMC 40 B). Published specifications for this part number include -25 ... +55 °C operating range, built to IEC 60947-4-1, VDE 0660, aC supply voltage 220 ... 690 V, cadence of operation 100 operations/h, coil voltage 230 Vac (tolerance: 0.85 ... 1.1 Un). Further catalogue data covers damping resistors, dimensions (w x h x d), electrical lifetime, frequency, insulation voltage, nominal operating current, protection class, relative humidity. KKM Solutions sources Circutor components to order. Request a quote from KKM Solutions for current pricing, lead time and availability.
| AC supply voltage | 220 ... 690 V |
|---|---|
| Cadence of operation | 100 operations/h |
| Circutor code | R281A1 |
| Coil voltage | 230 Vac (tolerance: 0.85 ... 1.1 Un) |
| Damping resistors | 1 |
| Dimensions (W x H x D) | 54.8 x 80 x 124.5 mm |
| Electrical lifetime | 200,000 cycles |
| Frequency | 50/60 Hz |
| Insulation voltage | 690 ... 1000 V |
| Model | CMC 40 B |
| Nominal operating current | 44 A (at 400 V) |
| Operating Temperature | -25 ... +55 °C |
| Protection class | IP 00 |
| Relative Humidity | 5 ... 95% (non-condensing) |
| Source stock status | In stock at source |
| Standards | IEC 60947-4-1, VDE 0660 |
| Switching capacity at 220-240 V | 20 kvar |
| Switching capacity at 400-440-480 V | 30 kvar |
| Switching capacity at 500-550 V | 35 kvar |
| Switching capacity at 660-690 V | 40 kvar |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does R281A1 cost?
R281A1 is listed at CA$87.92 (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 R281A1?
R281A1 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 R281A1 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for R281A1 — 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 R281A1?
Key specifications include AC supply voltage: 220 ... 690 V; Cadence of operation: 100 operations/h; Circutor code: R281A1; Coil voltage: 230 Vac (tolerance: 0.85 ... 1.1 Un). The full specification table on this page lists every published attribute for this part.
How quickly can R281A1 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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