Allen-Bradley · 800T Řada

800T-A2A

Aktivní
UL CSA

800T 30mm Black Flush Push Button 1NC

Allen-Bradley 800T Řada Introduced circa 1985
Allen-Bradley 800T-A2A — 800T 30mm Black Flush Push Button 1NC

Allen-Bradley 800T heavy-duty 30mm red push button.

Běžné aplikace

Legacy 30mm stop button found on older North American machinery. The 800T series was the standard before the 22mm 800F replaced it. Still manufactured for legacy support — if maintaining 1980s-2000s equipment, you will need these.

Research Notes

1. Overview

The Allen-Bradley 800T-A2A is a 30.5mm, non-illuminated, flush-head momentary push button from Rockwell Automation's Bulletin 800T family — one of the industry's most recognized heavy-duty oiltight 30mm push button lines. The actuator color is BLACK (not red); the catalog number suffix "A2" denotes the black flush variant within the 800T color-coding scheme. It ships factory-assembled with a pre-installed 1 NO/1 NC standard contact block and is rated NEMA Type 4/13 (watertight and oiltight). The 800T series is marketed as "ruggedly attractive and boldly functional," designed for the most demanding industrial environments, and complements the 800H plastic-body line for applications requiring metal construction. The 800T-A2A2 (2 NO variant) and 800T-A1A (green flush) are direct platform siblings.

2. User Sentiment

No detailed end-user forum reviews were found for this specific part number. However, the product carries a 4.9-star rating based on 284 customer reviews at SuperBreakers, indicating high user satisfaction across the installed base. The 800T line as a whole has a strong reputation for durability in North American industrial panels; multiple surplus and reconditioning dealers (Radwell, Select Equipment, breakeroutlet.com) carry it, reflecting long service life and continued demand for replacement and maintenance. The part is widely described as "rugged" and suitable for demanding environments, with a mechanical life rated at 10,000,000 operator cycles.

3. Real-World Applications

The 800T-A2A is widely used in manufacturing, oil and gas, power generation, water treatment, and process industries. It is commonly found in machine tool control panels, conveyor system start/stop stations, pump and motor control panels, and custom panel-building applications. The ababilmarine.com distributor explicitly lists it for marine applications, and Rockwell's own certifications include ABS (American Bureau of Shipping), confirming marine-grade suitability. Its oiltight NEMA 4/13 rating makes it standard on machine tools, food processing equipment, and outdoor industrial enclosures.

4. Technical Specifications

  • Type: Non-illuminated flush-head momentary push button, spring-return
  • Color: Black (plastic thermoplastic polyester resin cap)
  • Body material: Metal operator (zinc construction)
  • Mounting hole: 30.5 mm diameter
  • Contact configuration: 1 NO + 1 NC (standard contact block, pre-installed)
  • Contact rating: 10A / 600V AC-DC; AC-15 (A600), DC-13 (Q600); IEC 60947-5-1
  • Mechanical life: 10,000,000 operator cycles minimum
  • Electrical life: 1,000,000 cycles at maximum load
  • Enclosure rating: NEMA Types 1, 4, 12, 13; IP66
  • Operating temperature: -25°C to +55°C (storage -40°C)
  • Shock/vibration: 25G contact fragility / 100G no-damage; 10G vibration
  • Terminal type: Screw terminals, 14-18 AWG, torque 0.7-0.9 N-m
  • Certifications: UL 508, CSA C22.2 No.14, CE (EN/IEC 60947-5-1, EN ISO 13850), CCC, ABS (marine), EAC/GOST, UKCA
  • Weight: ~0.125 kg
  • Country of origin: China
  • Series: Bulletin 800T (Series T/N); UPC 781180603150

5. Ordering & Compatibility

Pricing ranges from approximately $28–$112 USD new, with $63–$85 being a typical market price across surplus and authorized distributors; Westburne Canada lists $112.32/ea. In Mexico, list price is MXN $1,394 (+IVA). Saudi Arabia price is SR 470 excl. VAT. The standard compatible contact block is the 800T-XA (1 NO/1 NC add-on block), and the part is frequently sold bundled with 800T-XA blocks. Related part numbers include: 800T-A2 (base operator without factory-assembled contacts), 800T-A2A2 (2 NO contacts), 800T-A1A (green flush sibling), 800T-A6A (yellow flush sibling), and 800T-B2D1 (extended head black). The 800T-A2A is lifecycle-active as of 2026 with a typical 5-day factory lead time; repair options and reconditioned units are widely available through Radwell, Select Equipment, and P.E.A.R.L.-member reconditioning specialists.

6. Known Issues

No significant issues reported in available sources. The product is noted as manufactured in China (standard for current production), and some listings distinguish Series N vs. Series T variants with minor design revisions — both are electrically and dimensionally equivalent for typical applications. Surplus specialists note that the button ships without terminal finger guards, which should be considered in safety-critical panel designs.


151 sources
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Specifikace

Actuator Type
Flush
Certifications
UL, CSA
Color
Black
Contact Configuration
1NC
Cutout Diameter
30.5mm
IP Rating
NEMA 4/13
Material
Metal

Stručný průvodce instalací

Panel cutout: 30.5mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

Rozměry

Front 30.5mm cutout panel hole diameter Side panel contact ~45mm depth

Schéma zapojení

L T 21 22 NC (closed) opens on press

Řešení problémů

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

Stručné specifikace

Actuator Type
Flush
Certifications
UL, CSA
Color
Black
Contact Configuration
1NC
Cutout Diameter
30.5mm

Co říkají uživatelé

+

“Legacy 30mm stop button found on older North American machinery. The 800T series was the standard before the 22mm 800F replaced it. Still manufactured for legacy support — if maint”

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