Thermal Unit, 21.9 to 31.7A MPN:B40.0
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In Stock
Free Shipping
In Stock
SKU
510-G0244754
Thermal Unit, 21.9 to 31.7A
This Square D Thermal Unit offers reliable overload protection for a wide range of applications, from small to medium-sized electrical systems. With a trip class of 20 and a melting alloy design, it provides fast and accurate protection against overheating. Suitable for use in various industries, including commercial and industrial settings, this unit is compatible with numerous Grainger part numbers, making it an ideal replacement or upgrade option. Its compact NEMA size 1 design and frame sizes B and S make it easy to integrate into existing systems, ensuring efficient and safe operation.
Top product features:
- Thermal Unit provides overload protection through a melting alloy mechanism.
- Thermal Unit offers multiple full load current ratings to accommodate various applications.
- Thermal Unit has a NEMA Size 1, 1P, 2, Frame Size B, S design for compatibility with specific electrical systems.
Top product applications:
- Motor Control Centers
- Panelboards
- Motor Starters
Thermal Unit, Trip Class 20, Overload Protection Type Melting Alloy, Full Load Current 21.6 to 24.1 A, 26.4 to 29.3 A, 28.7 to 30.7 A, NEMA Size 1, 1P, 2, Frame Size B, S, Compatible with Grainger Part Number 11V717, 11V718, 11W192, 11W196, 11W21, 11W24, 11W25, 1H416, 1H417, 2BW23, 2BW25, 2BW31, 2BW35, 2BW36, 2BW41, 2PYE8, 48P834, 4DF19, 4DF22, 4DF23
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.40
- Package Width: 1.20
- Package Height: 0.80
- Package Weight: 0.01
Product info last updated on January 15, 2026 12:48am UTC
Category: Industrial Electrical Controls and Automation