Schneider XB4BS8442 Emergency Stop Push Button

Overview

Core Specifications

1. Mechanical Structure

• Series: Harmony XB4 metal type
• Mounting hole: Standard 22mm panel cutout
• Operator: Red 40mm diameter mushroom head, non-illuminated
• Reset mode: Latching pressed, twist to release
• Bezel: Chrome-plated metal; Base: Zamak zinc alloy
• Overall dimension: W40 × H47 × D82 mm, weight 0.118kg
• Terminals: Screw clamp terminals, fit 0.22–1.5mm² copper wires
• Mechanical lifespan: 300,000 operations

2. Contact & Electrical Rating

• Contact configuration: 1NC slow-break safety contact
• AC-15 load capacity:
   
  6A @120V / 3A @240V / 1.5A @480V / 1.2A @600V
• DC-13 load capacity:
   
  0.55A @125V / 0.27A @250V / 0.1A @600V
• Contact material: Silver alloy, anti-oxidation, stable signal transmission

3. Protection & Environment

• Ingress rating: IP66 / IP67 / IP69K (high pressure water wash resistant)
• NEMA rating: NEMA 4X, NEMA 13
• Operating temperature: -40℃ ~ +70℃
• Anti-vibration, impact-resistant, suitable for dusty, oily workshop environment
• Compliance: IEC 60947-5-1, CE, ATEX, IECEx, Green Premium

Key Features

1. Safety latching design: Remains locked after pressing, prevent accidental auto-reset before fault troubleshooting
2. Full metal decorative ring, strong anti-collision, durable for heavy machinery scenes
3. High waterproof/dustproof grade, can be used on machine surface with regular cleaning
4. Slow-break NC contact, conform to machine safety circuit design requirements
5. Integrated one-piece assembly, direct panel installation without separate contact block matching

Applications