Legrand 402063 RCD RX³ 4P 40A 30mA Type AC DIN Rail
Legrand 402063 — residual current circuit breaker (RCCB): 4 poles, rated 40 A, rated voltage 400 V.
The Legrand 402063 is a residual current circuit breaker (RCCB). Published specifications for this part number include 4 poles, rated 40 A, rated voltage 400 V, DIN rail mounting, connection type Screwed terminal, Busbar and cable, grey finish, built to IEC 61008-1. Further catalogue data covers ambient temperature (operating), cable cross-section (multi-wired), cable cross-section (solid-core), degree of protection (ip), dimensions (w × h × d), frequency, halogen-free, impact resistance (ik). KKM Solutions sources Legrand components to order. Request a quote from KKM Solutions for current pricing, lead time and availability.
| Ambient temperature (operating) | -25 to 60 °C |
|---|---|
| built in depth mm | 44 |
| Cable cross-section (multi-wired) | 0.75-35 mm² |
| Cable cross-section (solid-core) | 0.75-50 mm² |
| Colour | Grey |
| Connection type | Screwed terminal, Busbar and cable |
| Degree of protection (IP) | IP20 |
| Dimensions (W × H × D) | 71.2 × 88.9 × 78.85 mm |
| Frequency | 50 Hz |
| Halogen-free | Yes |
| impact resistance ik | IK04 |
| Interlocking device | Yes |
| Mounting | DIN rail |
| Number of poles | 4 |
| Operating voltage range | 340-440 V |
| Pollution degree | 2 |
| RAL reference | 7035 |
| Rated current In | 40 A |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Rated insulation voltage (Ui) | 500 V |
| Rated residual current (IΔn) | 0.03 A |
| Rated voltage | 400 V |
| Residual current type | AC |
| Short-circuit conditional capacity (Icw) | 10 kA |
| Source stock status | In stock at source |
| Standards | IEC 61008-1 |
| Storage Temperature | -40 to 70 °C |
| Surge current capacity | 0.25 kA |
| Voltage type | AC |
| Width (modules) | 4 |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does 402063 cost?
402063 is listed at CA$47.12 (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 402063?
402063 is a Legrand part. KKM Solutions sources Legrand components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is 402063 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 402063 — check Legrand'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 402063?
Key specifications include Ambient temperature (operating): -25 to 60 °C; built in depth mm: 44; Cable cross-section (multi-wired): 0.75-35 mm²; Cable cross-section (solid-core): 0.75-50 mm². The full specification table on this page lists every published attribute for this part.
How quickly can 402063 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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