Allen-Bradley · 800F Serie

800F-A4A2

Activo
UL CSA CE

22mm Red Flush Push Button 1NC

Allen-Bradley 800F Serie Introduced circa 2005

Allen-Bradley 800F series red flush momentary push button with 1NC contact block.

Aplicaciones comunes

Standard stop button on Allen-Bradley panels. Pairs with 800F-A3A1 green start. Red color and 1NC contact follow NFPA 79.

Research Notes

1. Overview

The Allen-Bradley 800F-A4A2 is a 22mm momentary flush push button from Rockwell Automation's Bulletin 800F IEC-standard push button family. The part number uses an older composite/assembled ordering format where "A4" designates the red flush operator and "A2" designates the 1NC (normally closed) contact block configuration. Rockwell's current equivalent catalog numbers for this configuration are 800FP-F402 (plastic, STOP legend) or 800FM-F402 (metal), which encode the same red flush operator + NC contact assembly. The 800F family is Rockwell's global 22mm operator line, available in plastic (800FP) and metal (800FM) subvariants, and is widely deployed throughout industrial automation worldwide.

2. User Sentiment

No direct user reviews or forum threads specifically citing "800F-A4A2" by part number were found — the exact catalog number is rare in online discussions, consistent with it being an older composite format or region-specific catalog identifier. The 800F series overall carries a strong industry reputation for reliability and ease of installation. The modular system (operator + contact block + latch ring) is praised by panel builders for single-person installation and the wide selection of contact block configurations. The series is a standard choice on Allen-Bradley motor control panels, where the red flush stop button paired with a blue fault-reset button (800F-A6A6) is a well-recognized configuration per IEC 60204-1. No significant complaints about the product family were found in available online sources.

3. Real-World Applications

The 800F-A4A2 is a stop-function push button (red, 1NC) suitable for motor starters, conveyor control panels, machine tool operator interfaces, and general industrial machine control stations per IEC 60204-1. Red NC-contact push buttons are the standard stop/off actuator in AB motor control centers and are frequently paired with a green or blue start/reset button on the same control panel. The 800F family is used across manufacturing, food & beverage, warehousing, and packaging industries. The IP66/IP69K rating makes it suitable for washdown and outdoor environments.

4. Technical Specifications

  • Type: 22mm flush momentary push button (operator + 1NC contact block, assembled)
  • Color: Red
  • Legend/Text: STOP (on current equivalent 800FP-F402) or blank
  • Contact Configuration: 1NC (1 normally closed, non-latching, spring-return)
  • Panel Cutout: 22.5mm diameter
  • Enclosure/IP Rating: IP66 (Type 4/13); IP69K on current plastic variant
  • Contact Block Ratings: 600V AC (A600/Q600), 10A thermal current; IEC AC-15, DC-13 per IEC/EN 60947-5-1
  • Mechanical Life: 10,000,000 (10 million) cycles minimum
  • Operating Temperature: -25°C to +70°C
  • Wire Range: #18–12 AWG (0.75–2.5 mm²), screw terminals
  • Construction (current equivalents): 800FP = industrial-grade thermoplastic; 800FM = die-cast zinc alloy, chromate plating
  • Standards/Certifications: UL, CSA, CE, CCC (China), UKCA; IEC/EN 60947-5-1

5. Ordering & Compatibility

The 800F-A4A2 uses an older composite ordering convention; current direct equivalents are 800FP-F402 (plastic, STOP) or 800FM-F402 (metal, STOP). The operator alone is 800FP-F4 or 800FM-F4 (red flush, no legend); the 1NC contact block is 800F-X01 (rated 600V, 10A). Accessories include 800F-ALP (latch plate), 800F-AP4 (red replacement lens cap), and mounting rings. The 800F contact block system is modular — up to 6 contact blocks (non-illuminated) can be stacked per operator. Pricing for the operator alone (800FP-F4) is typically $3–$12 depending on channel; assembled configurations (800FP-F402) run somewhat higher. The 800F-A6A6 (blue, 1NO) is the standard companion "fault reset" button per IEC 60204-1 on the same panel.

6. Known Issues

No significant issues or field failures specific to the 800F-A4A2 or its modern equivalents were identified in available online sources. The exact part number "800F-A4A2" does not appear in active distributor inventories or current Rockwell Automation literature, suggesting it is either an older composite/pre-configured catalog format or a legacy SKU that has been replaced by the current 800FP-F402 / 800FM-F402 naming convention. Users sourcing this part number may need to cross-reference to current equivalents. The Rockwell Automation support knowledge base does have a login-protected article (answer ID 1058985) specifically addressing "800F Composite Part Number" breakdown, confirming the format is documented.


18 sources
  1. 800F-A6A6 — 22mm Blue Flush Push Button 1NO | The Button Index — thebuttonindex.com
  2. 800FP-F4 | Allen-Bradley | US — rockwellautomation.com
  3. 800FP-F402 | Allen-Bradley | US — rockwellautomation.com
  4. 800FM-F402 | Allen-Bradley | US — rockwellautomation.com
  5. Allen-Bradley 800FP-E4PX01 :: Push Button, Red Extended Head, Plastic Latch Mount, 1NC Contact — rexelusa.com
  6. 800F-AP4 | Allen-Bradley | US — rockwellautomation.com
  7. 800F-X01 | Allen-Bradley | US — rockwellautomation.com
  8. Allen-Bradley 800F-X10 Series A Push Button Contact Block 690V 10A 1NO — vbindustrialsupply.com
  9. Allen-Bradley 800FP-LF4PN3RX01 :: 800F Push Button, Illuminated Flush, 1NC, 1NC, Red LED — rexelusa.com
  10. Allen-Bradley 800FM-F1 22mm flush push button, white — mrosupply.com
  11. Allen Bradley Push Buttons and Their Diverse Applications across Industries — mrosupply.com
  12. Allen-Bradley 800F Push Buttons | Modular Industrial Control Devices — ddpartssolution.com
  13. 800F 22 mm Round Operators | Rockwell Automation | US — rockwellautomation.com
  14. Allen-Bradley 800FM-F402 :: 800F Push Button, Flush, Stop, Red, Metal — rexelusa.com
  15. 800FP-F402 Allen Bradley In stock and ready to ship - Santa Clara Systems — santaclarasystems.com
  16. Allen Bradley 800T-A6 Push Button (Red) — SuperBreakers — superbreakers.com
  17. Catalog Number Explanation / Breakdown of 800F Composite Part Numbers — support.rockwellautomation.com
  18. Allen-Bradley 800FP-F5 Flush Push Button Switch 22mm Yellow Operator — industrialelectricalwarehouse.com

Especificaciones

Actuator Function
Momentary
Actuator Type
Flush
Certifications
UL, CSA, CE
Color
Red
Contact Configuration
1NC
Cutout Diameter
22mm
IP Rating
IP66
Material
Plastic with chrome bezel
Mounting Type
Panel
Pn notes
Legacy composite 800F-AxAx format — real identity decodable from color/contact digits but the exact string is not in active Rockwell catalogs (login-gated). Modern equivalent 800FP-F<digit>. Kept as legacy/real, not fabricated.
Pn status
legacy-composite

Referencia rápida de instalación

Panel cutout: 22mm. 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.

Dimensiones

Front 22mm cutout panel hole diameter Side panel contact ~45mm depth

Diagrama de cableado

L T 21 22 NC (closed) opens on press

Solución de problemas

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.

Dónde comprar

Rango de precios

$23.78 — $40.36

en 2 distribuidores

Especificaciones rápidas

Actuator Function
Momentary
Actuator Type
Flush
Certifications
UL, CSA, CE
Color
Red
Contact Configuration
1NC

Lo que dicen los usuarios

+

“Hundreds of these across our plants. Not a single failure in 10 years that wasnt caused by physical damage. The integrated contact block means fewer parts to assemble.”

Reddit r/PLC by maintenance_mgr 22 votos positivos Ver hilo →