Schneider 18672 Miniature Circuit Breaker (MCB), Acti9 NG125N, 4P 80A, 25kA
Schneider Electric 18672 — Acti 9 NG125 miniature circuit breaker (MCB): connection type Tunnel terminals 16-70mm² rigid / 10-50mm² flexible, Click-on system, 35mm symmetrical DIN rail mounting, 4P.
The Schneider Electric 18672 is a miniature circuit breaker (MCB) from the Acti 9 NG125 range. Published specifications for this part number include 4P, curve D, Click-on system, 35mm symmetrical DIN rail mounting, connection type Tunnel terminals 16-70mm² rigid / 10-50mm² flexible, -30 to 70°C operating range, width 108mm, built to EN/IEC 60947-2. Further catalogue data covers breaking capacity [icu], depth, device short name, electrical durability, handle position, height, ik protection rating, ip protection rating. KKM Solutions sources Schneider Electric components to order. Request a quote from KKM Solutions for current pricing, lead time and availability.
| Breaking capacity [Icu] | 50kA at 220-240V AC 50/60Hz - 25kA at 380-415V AC 50/60Hz - 20kA at 440V AC 50/60Hz - 10kA at 500V AC 50/60Hz - 20kA at 500V DC (per EN/IEC 60947-2) |
|---|---|
| Connection type | Tunnel terminals 16-70mm² rigid / 10-50mm² flexible |
| Depth | 81mm |
| Device short name | NG125N |
| Electrical durability | 5000 cycles |
| Handle position | Vertical |
| Height | 103mm mm |
| IK protection rating | IK05 per EN/IEC 62262 |
| IP protection rating | IP20 per IEC 60529 |
| Mechanical durability | 20000 cycles |
| Mounting | Click-on system, 35mm symmetrical DIN rail |
| Network type | AC / DC |
| Number of poles | 4P |
| number of protected poles | 4 |
| Operating Temperature | -30 to 70°C |
| Overcurrent protection limit | 12 x In |
| Overvoltage category | IV |
| Pollution degree | 3 per IEC 60947-2 |
| Product type | Miniature Circuit Breaker (MCB) |
| Protection technology | Thermomagnetic |
| Rated current In | 80A at 40°C |
| Rated impulse withstand voltage (Uimp) | 8kV |
| Rated insulation voltage (Ui) | 690V AC 50/60Hz |
| Rated voltage (Ue) | 220-240V / 380-415V / 440V / 500V AC 50/60Hz; up to 500V DC |
| Relative Humidity | 95% at 55°C |
| Series / range | Acti 9 NG125 |
| Service breaking capacity [Ics] | 37.5kA at 220-240V AC - 18.75kA at 380-415V AC - 15kA at 440V AC - 7.5kA at 500V AC - 20kA at 500V DC |
| Source stock status | In stock at source |
| Standard | EN/IEC 60947-2 |
| Storage Temperature | -40 to 70°C |
| Strip length | 20mm |
| Tightening torque | 6 N.m |
| Tripping curve | D |
| Use category | Category A per IEC 60947-2 |
| Width | 108mm mm |
Request a quote for this part
Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How much does 18672 cost?
18672 is listed at CA$442.58 (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 18672?
18672 is a Schneider Electric part. KKM Solutions sources Schneider Electric components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is 18672 discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 18672 — check Schneider Electric'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 18672?
Key specifications include Breaking capacity [Icu]: 50kA at 220-240V AC 50/60Hz - 25kA at 380-415V AC 50/60Hz - 20kA at 440V AC 50/60Hz - 10kA at 500V AC 50/60Hz - 20kA at 500V DC (per EN/IEC 60947-2); Connection type: Tunnel terminals 16-70mm² rigid / 10-50mm² flexible; Depth: 81mm; Device short name: NG125N. The full specification table on this page lists every published attribute for this part.
How quickly can 18672 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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