ABB 7TBA008940R0094 Thumbwheel Switch - 3A-120VAC
Part Number: 7TBA008940R0094
Quick Summary
ABB 7TBA008940R0094 Thumbwheel Switch is a compact single-pole, on-off control ideal for panel indicators and process signals. Engineers often face wear, misalignment, and slow operation in crowded control panels, which can impact start-up time and reliability. This two-pack thumbwheel switch delivers dependable tactile action and straightforward wiring for fast repairs and simpler maintenance. While exact certifications should be verified on the datasheet, this part aligns with common industrial control standards and ABB quality expectations. The White finish and SPST configuration support clean panel aesthetics and consistent operator feedback, while the 3A-120VAC rating provides a practical ballast for low-to-mid current control circuits. In practice, it combines compact form with robust performance to reduce downtime and improve install efficiency.
Product Information
Extended Description
7TBA008940R0094 ABB: Single Pole/Single Throw Lamp Thumbwheel Switch, On-Off Function, Rated 3A-120VAC, White Finish, Package of 2
UPC
67396014608
Country of Origin
Taiwan (Chinese Taipei)
Selling Unit of Measure
each
Package Level 1 Units
4 EA
Package Level 1 Width
112.776 mm | 4.44 in
Package Level 1 Height
123.952 mm | 4.88 in
Package Level 1 Depth / Length
134.874 mm | 5.31 in
Package Level 2 Units
1620 EA
Package Level 2 Width
1016 mm | 40 in
Package Level 2 Height
746.76 mm | 29.4 in
Package Level 2 Depth / Length
1219.2 mm | 48 in
Effective Date
20040601
Product Name
"SWITCHES, FOR A VOLTAGE NOT EX"
Data Sheet, Technical Information
SWLC11-OF-W
UNSPSC
39121409
WEEE Category
Product Not in WEEE Scope
Feature → Business Impact → Application: Single Pole/Single Throw design delivers a simple, reliable On-Off control that minimizes wiring complexity and reduces potential failure points, improving overall system uptime in machine panels and control enclosures. This translates to faster setup, easier troubleshooting, and lower maintenance costs in automated lines. Feature → Business Impact → Application: Rated 3A at 120VAC, the switch handles typical control circuits with ample headroom for indicator logic and low-current actuation, enabling safer and more predictable startup sequences in packaging, material handling, and HVAC subsystems. Feature → Business Impact → Application: White finish provides high contrast visibility and legibility inside crowded panels, supporting quick operator confirmation and reducing mis-setting errors during shift changes in manufacturing environments. Feature → Business Impact → Application: Packaged as a 2-pack, it ensures readily available spares for maintenance teams and minimizes downtime during replacements in high-availability control cabinets. Feature → Business Impact → Application: Lamp/thumbwheel mechanism offers tactile feedback and clear position indication, improving user confidence in manual selections for testing, calibration, and manual overrides in instrumentation racks. Feature → Business Impact → Application: Country of origin Taiwan and compliance-oriented datasheet availability support traceability and procurement planning for global projects, while the compact footprint fits standard panel cutouts and modular enclosures used in industrial automation.
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FAQs
This SPST thumbwheel switch is supplied as a two-pack and is intended for standard panel installations. Verify panel cutout dimensions to fit the device profile, plan wiring gauge compatible with 3A-120VAC circuits, and follow the datasheet SWLC11-OF-W for wiring diagrams and torque specs. The UPC is 67396014608 and the unit originates from Taiwan, which helps with procurement planning.
The device functions as a Single Pole/Single Throw lamp thumbwheel switch with an On-Off function, rated at 3A at 120VAC. It is intended for AC control circuits and offers reliable actuation with clear position indication. It is not specified for DC applications; always verify compatibility with your control logic and enclosure environment.
Yes, for low-to-mid current control needs in manufacturing, including indicator circuits and manual selection tasks. The two-pack packaging supports redundancy and easy maintenance. Its compact white finish aids visibility, and the 3A-120VAC rating aligns with typical control panel requirements in automation and instrumentation racks.
The provided data lists general product information and the datasheet SWLC11-OF-W but does not explicitly state CE, SIL, or IP ratings. For formal compliance, consult the datasheet and regional approvals. The product origin is Taiwan, and the UPC is 67396014608, which supports traceability in procurement and audits.
The two-pack design reduces downtime by ensuring spare availability during preventive maintenance and rapid replacements. The robust SPST operation with a tactile thumbwheel provides reliable manual control in control cabinets, improving reliability and reducing troubleshooting time. Over the lifecycle, lower replacement lead times and fewer mis-set operations translate to measurable productivity gains.