R281A1 Circutor CMC 40 B Contactor
KKM Solutions is an independent parts distributor, not an authorized Circutor dealer — how we source.
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).
Overview
Part number R281A1 from Circutor, listed in Contactors & Motor Starters. Specifications on file: 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). KKM Solutions quotes this part with pricing and availability confirmed per order.
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.
Specifications
| 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 |
Product details
| Manufacturer | Circutor |
|---|---|
| Manufacturer part number | R281A1 |
| Product category | Contactors & Motor Starters |
| Published specifications | 20 attributes listed |
| Related part numbers | 3 other part numbers in this family |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does R281A1 cost?
R281A1 is listed at CA$108.85 (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, stock, and final price, and we email you first if anything has moved. Larger quantities or custom terms — email orderdesk@kkmsolutions.com for a volume quote.
Who manufactures the R281A1?
R281A1 is made by Circutor and is listed in our Contactors & Motor Starters category. KKM Solutions is an independent distributor, not an authorized Circutor dealer: we source the exact Circutor part number R281A1, and the quote confirms condition and lead time before you order.
Is the R281A1 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the R281A1, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of R281A1?
No published lifecycle status is on file for R281A1. Circutor lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
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.
What voltage does R281A1 use?
Per the published specification for R281A1: Insulation voltage: 690 ... 1000 V. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What operating temperature is R281A1 rated for?
Per the published specification for R281A1: Operating Temperature: -25 ... +55 °C. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can R281A1 ship?
Lead time for R281A1 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
Variants & Related Part Numbers
Other Circutor part numbers in this family:
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