
W34 - Allen-Bradley Thermal Unit Description
W34 - Allen-Bradley Thermal Unit
If you're running a 509 starter, you already know—precision matters. The W34 Type W Thermal Unit is built to do one job exceptionally well: protect your motor from overload without guesswork. Rated at 1.18 amps, it reacts to heat the way it should—quickly and consistently—helping you avoid costly damage, unexpected shutdowns, and frustrating troubleshooting later on. What makes this unit stand out isn't complexity—it's reliability. Its compact size slips easily into your existing setup, and because it's designed specifically for 509-type starters, you won't deal with compatibility headaches. Install it, trust it, and move on to more important things.
Key Features and Benefits
- Dialed-In Protection: Precisely rated at 1.18 amps to help prevent overheating and motor failure
- Made for 509 Starters: No modifications, no second-guessing—just a proper fit
- Compact and Practical: Small footprint makes installation simple, even in tight panels
- Single-Pole Simplicity: Focused protection where you need it most
- Consistent Performance: Helps reduce downtime and keeps your system running smoothly
Technical Specifications
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Part Number: W34
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Frame Type: W
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Poles: 1
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Amperes: 1.18A
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Dimensions: 2.0" H x 1.0" W x 1.0" D
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Ship Weight: N/A
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A.I.C. Rating & Volts: N/A
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Application: Thermal overload unit for 509 type starters
Material Compliance and Certifications
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Industry Standards: The W34 thermal unit is manufactured to meet established electrical industry standards for performance and safety. For best results, always ensure that installation complies with current electrical codes and system requirements.
Where It Works Best
- You'll find the W34 right at home in motor control panels, HVAC systems, and light industrial equipment, thanks to 509 starters. It's especially useful in setups where dependable overload protection is non-negotiable—but space and simplicity still matter.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Allen-Bradley® is a registered trademark of Rockwell Automation, Inc. Products sold are surplus, used, or refurbished and are NOT supplied by Rockwell Automation.
Specifications
- Width:1.0
- Height:2.0
- Depth:1.0
- Poles:1
- Amperes:1.8
- Type:W
- Sub-Category:Thermal Unit
- Additional Notes:Type W Thermal Unit for 509 type starter
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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