Allen-Bradley 140G-K6F3-D40-AA-MU — Molded Case Circuit Breakers MCCB
Allen-Bradley 140G-K6F3-D40-AA-MU - Molded Case Circuit Breakers MCCB - Width: 140 mm mm; Height: 205 mm mm; Weight: 7.17 lb.
In our catalog, the 140G-K6F3-D40-AA-MU from Allen-Bradley is listed under the Molded Case Circuit Breakers MCCB category. The manufacturer's published data for this part number specifies Width: 140 mm mm and Height: 205 mm mm.
IEC 60947-2: 100% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only
Published specifications for this part include Weight: 7.17 lb; Storage Temperature: -40 °F; Degree of protection (IP): IP40; Depth: 108.5 mm; Type of electrical connection of main circuit: Screw connection; Device construction: Built-in device fixed built-in technique; Electrical life cycle: 7000 (400 A)/5000 (600 A) @ 415V AC; Mechanical life operations: 20000 /h; Motor drive optional: True; Number of poles: 3; Rated permanent current Iu: 400 A; Type of control element: Toggle. See the Specifications tab on this page for the full technical table.
| Ambient temperature without derating | 104 °F |
|---|---|
| Complete device with protection unit | True |
| Current Range | 80% MCCB |
| Degree of protection (IP) | IP40 |
| Depth | 108.5 mm |
| Device construction | Built-in device fixed built-in technique |
| DIN rail (top hat rail) mounting optional | False |
| Electrical life cycle | 7000 (400 A)/5000 (600 A) @ 415V AC |
| Estimated Lead Time | 21 days |
| Factory option | Standard busbar mount, universal |
| Frame Size | 400 A |
| Height | 205 mm mm |
| Insulation voltage (Ui) | Rated 1000V per IEC |
| Integrated earth fault protection | False |
| Interrupting rating | 65kA @ 480V AC, 50/60 Hz per NEMA, UL, CSA |
| Magnetic trip current (Im) | 2000 A |
| Mechanical life operations | 20000 /h |
| Motor drive integrated | False |
| Motor drive optional | True |
| Number of auxiliary contacts as change-over contact | 1 |
| Number of poles | 3 |
| Operational voltage (Ue) | 90% of voltage rating @ 3000 m (9840 ft) altitude |
| Position of connection for main current circuit | Front side |
| Protection type | T/M-adjustable thermal/adjustable magnetic TMA |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated permanent current Iu | 400 A |
| Rated service short-circuit breaking capacity (Ics) | IEC 60947-2: 100% Icu @ 750V DC, 3-poles in series, thermal-magnetic trip units only |
| Rated ultimate short-circuit breaking capacity (Icu) | IEC 60947-2: 70kA @ 400...415V AC, 50/60 Hz |
| Rated uninterrupted current (Iu) | 98% of current rating @ 3000 m (9840 ft) altitude |
| Shock | Peak acceleration: 150 m/s² peak, pulse duration 11 ms |
| Standard Warranty Duration | 1 year |
| Storage Temperature | -40 °F |
| Suitable for DIN rail (top hat rail) mounting | False |
| Thermal trip current (Ir) | 280 A |
| Thermal trip rating, max | 400 A @ ambient temperature 40 °C |
| Type of control element | Toggle |
| Type of electrical connection of main circuit | Screw connection |
| UPC | 887172400933 |
| Vibration | 2...13.2 Hz ±1 mm, 13.2...100 Hz ±0.7 G |
| Voltage for reverse-fed circuit breaker, max | 690V AC per IEC |
| Watt loss | Thermal magnetic type: 58.5 W |
| Weight | 7.17 lb |
| Width | 140 mm mm |
| Wire temperature rating | Al or Cu 75°C |
| With integrated under voltage release | False |
| With switched-off indicator | False |
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Email [email protected] or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 140G-K6F3-D40-AA-MU?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email [email protected], and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 140G-K6F3-D40-AA-MU?
140G-K6F3-D40-AA-MU is a Allen-Bradley part. KKM Solutions sources Allen-Bradley components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
Is 140G-K6F3-D40-AA-MU discontinued, and can I still get one?
KKM Solutions does not publish a manufacturer lifecycle status for 140G-K6F3-D40-AA-MU — check Allen-Bradley'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 140G-K6F3-D40-AA-MU?
Key specifications include Ambient temperature without derating: 104 °F; Complete device with protection unit: True; Current Range: 80% MCCB; Degree of protection (IP): IP40. The full specification table on this page lists every published attribute for this part.
How quickly can 140G-K6F3-D40-AA-MU 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.
Variants & Related Part Numbers
Other Allen-Bradley part numbers in this family:
- 140G-K6F3-D40 — Allen-Bradley 140G-K6F3-D40 Bulletin 140G assembled molded case circuit breaker (MCCB) with 400A…
- 140G-K6F3-D40-MU — Molded Case Ckt Bkr,400A K Frame,65 kA at 480V,T/M Adjst Thrm /…
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