Allen-Bradley 1489-M1C040 1489 M Miniature Circuit Breaker, Standard configuration, AC
$109.99
Out of stock
Request QuoteAllen-Bradley 1489-M1C040 — The 1489-M1C040 is an Allen-Bradley 1489-M thermal-magnetic miniature circuit breaker — 1-pole, Trip Curve C (inductive, 5…10× In magnetic trip), rated 4 A continuous at 277V AC (UL/CSA) and 230V AC (IEC/EN). Branch-circuit and supplementary protection per UL 489 and IEC/EN 60947-2; DIN-rail mounted with dual terminals, current-limiting, 15 kA IEC / 10 kA UL interrupting capacity.
| Trip Curve | C (Inductive, 5…10 × In magnetic) |
| Poles | 1-pole |
| Rated Current (In) | 4 A |
| Max Voltage (UL/CSA) | 277V AC (1-pole) |
| Max Voltage (IEC/EN) | 230V AC (1-pole) |
| Interrupting Capacity | 10 kA (UL 489) / 15 kA (IEC 60947-2) |
| Mounting | DIN Rail EN 60715, 35 mm |
PLC Exchange is not an authorized distributor: Original Packaging is synonymous with Used Surplus. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 1489-M1C040
The 1489-M1C040 is an Allen-Bradley 1489-M thermal-magnetic miniature circuit breaker — 1-pole, Trip Curve C (inductive, 5…10× In magnetic trip), rated 4 A continuous at 277V AC (UL/CSA) and 230V AC (IEC/EN). Branch-circuit and supplementary protection per UL 489 and IEC/EN 60947-2; DIN-rail mounted with dual terminals, current-limiting, 15 kA IEC / 10 kA UL interrupting capacity.
| Product Overview | |
|---|---|
| Catalog Number | 1489-M1C040 |
| Product Family | Bulletin 1489-M Thermal-Magnetic Miniature Circuit Breaker |
| Poles | 1 |
| Trip Curve | C — Inductive — standard curve, 5…10 × In magnetic trip |
| Rated Current (In) | 4 A |
| Standards | UL 489, CSA C22.2 No. 5, IEC/EN 60947-2 |
| Mounting | DIN Rail (EN 60715, 35 mm) with fast clip |
| Protection Degree | IP20 (IP40 in enclosure with cover) |
| Housing | Insulation group II, RAL 7035 color |
| Indicator Window | Red ON / Green OFF |
| Trip Curve C — Magnetic Behavior | |
|---|---|
| Curve Type | C — Inductive (default tripping characteristic) |
| Magnetic Trip (AC) | 5…10 × In |
| Magnetic Trip (DC) | 7.5…15 × In (1.5 × AC) |
| Non-Tripping Limit (I1) | 1.05 × In (holds indefinitely) |
| Tripping Limit (I2) | 1.3 × In (trips within 1 hour) |
| Application Suitability | Most applications — general lighting, resistive and mixed loads |
| Electrical Ratings | |
|---|---|
| Rated Operational Voltage (Ue) — IEC, 1-pole | 230V AC |
| Rated Operational Voltage (Ue) — IEC, 2-/3-pole | 400V AC |
| Max Voltage (UL/CSA) — 1-pole | 277V AC (C curve 0.5…40 A); 240V AC (D curve 4A range) |
| Highest Utilization Voltage (Umax, AC, 1-pole) | 253/440V AC |
| Highest Utilization Voltage (Umax, DC, 1-pole) | 48V DC |
| Min Operating Voltage | 12V AC / 12V DC |
| Rated Ultimate SCB Capacity (Icu, IEC) | 15 kA |
| Rated Service SCB Capacity (Ics, ≤40A) | 11.25 kA |
| Rated Service SCB Capacity (Ics, >40A) | 7.5 kA |
| Rated Interrupting Capacity (UL 489) | 10 kA |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV (6.2 kV test @ sea level) |
| Dielectric Test Voltage | 2 kV (50/60 Hz, 1 min) |
| Rated Insulation Voltage (Ui) | 250V AC phase-to-ground, 440V phase-to-phase |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Electrical Endurance (UL/CSA) | 6,000 operations (AC and DC) — 1 s ON / 9 s OFF |
| Mechanical & Installation | |
|---|---|
| Pole Weight | 125 g (4.4 oz) per pole |
| Terminal Type | Dual terminal (front + back slot) |
| Wire Size — Solid/Stranded | 35 / 35 mm² (18…4 / 18…10 AWG) |
| Wire Size — Flexible | 25 / 10 mm² |
| Multi-wire Rating (UL/CSA) | 1 wire: 18…4 AWG | 2–4 wires: 18…10 AWG |
| Tightening Torque (IEC) | 2.8 N·m |
| Tightening Torque (UL/CSA) | AWG 18…16: 13.3 lb·in | AWG 14…10: 17.7 lb·in | AWG 8…4: 39.8 lb·in |
| Screwdriver | No. 2 Pozidriv |
| Mechanical Endurance | 20,000 operations |
| Mounting Position | Any |
| Reference Temperature (UL) | 40 °C (104 °F) |
| Reference Temperature (IEC) | 30 °C (86 °F) |
| Environmental | |
|---|---|
| Ambient Operating Temperature | -25…+55 °C (-13…+131 °F), non-condensing |
| Storage Temperature | -40…+70 °C (-40…+158 °F) |
| Damp Heat Endurance (IEC/EN 60068-2-30) | 28 cycles at 55 °C / 90…96% RH and 25 °C / 95…100% RH |
| Shock Resistance (IEC/EN 60068-2-27) | 25 g half sine, 2 shocks per axis, 13 ms |
| Vibration Resistance (IEC/EN 60068-2-6) | 5 g — 20 cycles at 5…150…5 Hz with load 0.8 × In |
| Zero-Stack Derating (side-by-side mounting) | |
|---|---|
| 1 Device (standalone) | 1.0 × In (no derating) |
| 2 or 3 Adjacent Devices | 0.9 × In |
| 4 or 5 Adjacent Devices | 0.8 × In |
| ≥ 6 Adjacent Devices | 0.75 × In |
| Available Accessories | |
|---|---|
| Shunt Trip (110…415V AC / 110…250V DC) | Catalog 1489-AMST1 (right mount) |
| Shunt Trip (12…60V AC/DC) | Catalog 1489-AMST2 (right mount) |
| Signal Contact (1 C.O.) | Catalog 1489-AMRS3 — operates only when breaker trips; 1 A @ 480V AC / 2 A @ 60V DC |
| Auxiliary Contact (1 C.O.) | Catalog 1489-AMRA3 — 1 A @ 480V AC / 2 A @ 60V DC |
| Lock-out Attachment (1-pole MCB) | Catalog 189-ALOA1 |
| Lock-out Attachment (multi-pole MCB) | Catalog 189-ALOA2 |
PLC Exchange Original Packaging is synonymous with Used Surplus. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Used Surplus items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1489-M1C040
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1489-M1C040 units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1489-M1C040
The 1489-M1C040 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1489M1C040
- Allen Bradley 1489-M1C040
- Allen-Bradley 1489-M1C040
- 1489 M1C040
- 1489/M1C040
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.28 lbs |
|---|---|
| Dimensions | 3.3 × 0.7 × 2.8 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 885630619576 |
| mpn | 1489-M1C040 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for 1489-M1C040
| Shipping Dimensions | |
|---|---|
| Weight | 0.28 lbs |
| Length | 3.3 in |
| Width | 0.7 in |
| Height | 2.8 in |
| Box Dimensions (L×W×H) | 3.3 × 0.7 × 2.8 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
Where can I find the technical datasheet for the 1489-M1C040?
The official manufacturer datasheet is available for download on the 1489-M1C040 product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 1489-M1C040 include a warranty?
Yes. Every 1489-M1C040 sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1489-M1C040?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1489-M1C040 ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1489-M1C040?
The 1489-M1C040 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.

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