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TRI-ARC Portable Stairs: 11.9 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated - Steel Stairs
TRI-ARCSteel Stairs

TRI-ARC Portable Stairs: 11.9 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated

The TRI-ARC Portable Stairs (SKU WISS111242, MPN WISS111242) are steel stairs with an overall height of 11.9 ft, a 450 lb load capacity, and 11 perforated steps. Finished in gray, these stairs are designed for…

SKU 3G-OTH-407342

Also listed as: WISS 111242 · WISS-111242

Brand
TRI-ARC
Item
Portable Stairs: 11.9 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated
Category
Steel Stairs
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TRI-ARC
Manufacturer Part Number
WISS111242
Type
Steel, Perforated
Steps
11
Load Capacity
450 lb

Technical Documents

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TRI-ARC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TRI-ARC Portable Stairs (SKU WISS111242, MPN WISS111242) are steel stairs with an overall height of 11.9 ft, a 450 lb load capacity, and 11 perforated steps. Finished in gray, these stairs are designed for industrial access applications.

Frequently Asked Questions

What is the TRI-ARC Portable Stairs used for?

The TRI-ARC Portable Stairs provide safe, elevated access for industrial maintenance, warehousing, and facility tasks. With an 11.9 ft overall height and 450 lb load capacity, they support personnel and tools in manufacturing plants, distribution centers, and machine shops where fixed ladders are impractical.

What are the specifications of the TRI-ARC Portable Stairs?

The TRI-ARC Portable Stairs (MPN WISS111242) are steel with 11 perforated steps, a 450 lb load capacity, and an overall height of 11.9 ft. Finished in gray, they are designed for heavy-duty industrial access. 3G Electric supplies this model and can confirm lead time on request.

Where to buy TRI-ARC Portable Stairs worldwide?

3G Electric supplies the TRI-ARC Portable Stairs (MPN WISS111242) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this steel access stair with 11 perforated steps and 450 lb capacity.

How to select the right portable stairs for industrial use?

Select portable stairs based on required working height, load capacity, and step material. The TRI-ARC model offers 11.9 ft height and 450 lb capacity with perforated steel steps for slip resistance. Verify your platform height and weight needs; 3G Electric can help match the correct access solution.

Used in

Common applications for TRI-ARC
Warehouse mezzanine access — TRI-ARC fixed ladders (e.g., WLFS0119-Y) for vertical climbs to elevated storage areas.
Manufacturing floor crossover — TRI-ARC crossover bridges (e.g., 7CY88) spanning conveyor lines or equipment.
Maintenance platform entry — TRI-ARC walk-thru fixed ladders (e.g., WLFS0211-Y) for safe transition to rooftop units.
Mobile work positioning — TRI-ARC rolling step stools (e.g., WLAR002165) for tasks at low heights in assembly areas.
Custom access solutions — TRI-ARC configurable platform ladders (e.g., UCL9006246) for non-standard height requirements.
Directional changes in climb paths — TRI-ARC turn platforms (e.g., UCT04242) for 90-degree transitions in ladder systems.

TRI-ARC Products

3G Electric supplies TRI-ARC steel stairs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
TRI-ARC Portable Stairs: 11.1 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 10 Steps (MPN WISS110242)
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TRI-ARC Portable Stairs: 11.1 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 10 Steps (MPN WISS110242)
TRI-ARC Portable Stairs: 11.1 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 10 Steps (MPN WISS110246)
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TRI-ARC Portable Stairs: 11.1 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 10 Steps (MPN WISS110246)
TRI-ARC Portable Stairs: 12.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 12 Steps (MPN WISS112242)
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TRI-ARC Portable Stairs: 12.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 12 Steps (MPN WISS112242)
TRI-ARC Portable Stairs: 8.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 7 Steps (MPN WISS107242)
TRI-ARC
TRI-ARC Portable Stairs: 8.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 7 Steps (MPN WISS107242)
TRI-ARC Portable Stairs: 8.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 7 Steps (MPN WISS107246)
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TRI-ARC Portable Stairs: 8.7 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 7 Steps (MPN WISS107246)

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TRI-ARC Portable Stairs: 11.9 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 11 Steps (MPN WISS111246)
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TRI-ARC Portable Stairs: 9.5 ft Overall Ht, Steel, 450 lb Load Capacity, Perforated, 8 Steps (MPN WISS108246)
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