Allen-Bradley W55 Heater Element, Eutectic Alloy Type Overload Relay,Bulletin
$9.99
Out of stock
Request QuoteAllen-Bradley W55 — W55 is an Allen-Bradley eutectic alloy overload relay heater element rated at 14.0 A full load amperes for Type W Class 20 protection, available across multiple starter sizes (0–4) with thermal protection matching motor nameplate specifications.
| Heater Type | Type W (Class 20) |
| Full Load Amperes | 14.0 A |
| Available Sizes | Size 0, Size 1, Size 2, Size 3, Size 4 |
| Application | Bulletin 100/500/609/1200 Line Starters |
| Relay Rating at +40°C | 115% of Full Load Amperes |
| Protection Class | Class 20 (trips in ≤20 seconds at 600% rated current) |
Description
Allen-Bradley W55
W55 is an Allen-Bradley eutectic alloy overload relay heater element rated at 14.0 A full load amperes for Type W Class 20 protection, available across multiple starter sizes (0–4) with thermal protection matching motor nameplate specifications.
| Type W Element Specifications | |
|---|---|
| Heater Element Type | Type W — CLASS 20 |
| Standard Rating Temperature | +40°C (+104°F) |
| Relay Current Rating (Type W) | 115% of listed Full Load Amperes |
| Trip Class Definition | Trips in 20 seconds or less at 600% of rated current |
| Material Compliance Note | Type W/WL does not currently meet EU ROHS material restrictions |
| W55 Full Load Amperes by Starter Size | |
|---|---|
| Size 0 | 14.0 A |
| Size 1 | 14.0 A |
| Size 2 | 13.1 A |
| Size 3 | — |
| Size 4 | — |
| Application Rules | |
|---|---|
| Motor Service Factor | ≥1.15 or temperature rise ≤+40°C (+104°F) |
| Selection Method (Same Temp) | Select nearest Full Load Amperes to motor nameplate |
| Selection Method (Higher Controller Temp) | Select higher rated element if FLC falls between table values |
| Selection Method (Lower Controller Temp) | Select lower rated element if FLC falls between table values |
| Motors <1.15 Service Factor | Select one size smaller than calculated rating |
| Intermittent Duty Motors | Contact Rockwell Automation sales office |
| Ambient Temperature Correction | |
|---|---|
| Temperature Difference Threshold | ±10°C (±18°F) maximum for standard selection |
| Correction Factor Method | C.F.R. = C.F.motor / C.F.controller (from curve) |
| Correction Factor at +40°C | 1.00 (no correction) |
| Application | Multiply motor nameplate FLC by C.F.R. to obtain adjusted selection value |
| Overload Relay Class Performance | |
|---|---|
| Class 10 Trip Time | ≤10 seconds at 600% rating (Class 10 elements: Type J) |
| Class 20 Trip Time | ≤20 seconds at 600% rating (Class 20 elements: Type W, standard) |
| Class 30 Trip Time | ≤30 seconds at 600% rating (Class 30 elements: Type WL) |
| Standard Application | Type W Class 20 recommended for general motor protection |
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 W55
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All W55 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.
Reference Documents
Alternative Part Numbers & Names for W55
The W55 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- Allen Bradley W55
- Allen-Bradley W55
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 | 0.5 lbs |
|---|---|
| Dimensions | 12 × 10 × 6 in |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 781180154324 |
| mpn | W55 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
Dimensions & Weight for W55
| Shipping Dimensions | |
|---|---|
| Weight | 0.5 lbs |
| Length | 12 in |
| Width | 10 in |
| Height | 6 in |
| Box Dimensions (L×W×H) | 12 × 10 × 6 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 W55?
The official manufacturer datasheet is available for download on the W55 product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the W55 include a warranty?
Yes. Every W55 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 W55?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my W55 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 W55?
The W55 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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