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Schneider Electric ZB4BS844 Emergency-Stop Head

The ZB4BS844 is a durable, red mushroom-shaped emergency-stop actuator head designed for safety applications. Made with a chromium-plated metal bezel, it features trigger and latching turn release mechanisms. Suitable for use in industrial environments, it supports rapid operation with a turn to reset function. The head is compatible with the Harmony XB4 series, has a mounting diameter of 22mm, and adheres to stringent standards including IEC and UL certifications. Ideal for emergency shutdowns, it withstands harsh conditions with IP66, IP69K ratings, and a mechanical durability of 300,000 cycles, ensuring long-term reliability.

Authorized Distributors
Source:Newark
Part No:ZB4BS844
Stock:133
Inv Date:06-08-2026
Price: Unit price: $101.78
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Source:DigiKey
Part No:ZB4BS844
Stock:3
Inv Date:06-08-2026
Price: Unit price: $51.68
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Part No:ZB4BS844
Stock:75
Inv Date:06-08-2026
Price: Unit price: $56.07
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Part No:ZB4BS844
Stock:729
Inv Date:06-08-2026
Price: Unit price: $57.79
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Part No:ZB4BS844
Stock:15
Inv Date:06-08-2026
Price: Unit price: $70.33
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Part No:ZB4BS844
Stock:15
Inv Date:06-08-2026
Price: Unit price: $70.33
Buy/RFQ:
Part No:ZB4BS844
Stock:48
Inv Date:06-08-2026
Price: Unit price: $51.308
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Schneider Electric ZB4BS844 Emergency-Stop Head Specifications:

  • Range of product: Harmony XB4
  • Device short name: ZB4
  • Head type: Standard round signaling unit head
  • Shape of signaling unit head: Round
  • Operator profile: Red mushroom @ 40 mm, unmarked
  • Mounting diameter: 22 mm / 0.87 in
  • CAD overall width: 40 mm / 1.57 in
  • CAD overall height: 40 mm / 1.57 in
  • CAD overall depth: 57 mm / 2.24 in
  • Net weight: 0.16 lb / 0.073 kg
  • Mechanical durability: 300,000 cycles
  • Electrical composition code: C7, C8, C11, C15, C10
  • IP degree of protection: IP66, IP69K
  • Protective treatment: TH
  • Ambient air temperature: -40°C to 70°C / -40°F to 158°F
  • Vibration resistance: 5 gn (IEC 60068-2-6)
  • Shock resistance: 30-50 gn (IEC 60068-2-27)
  • Standard compliance: UL 508, EN/IEC 60947-5-5, CSA C22.2 No 14, EN/IEC 60947-5-4, JIS C8201-5-1
  • Certifications: UL Listed, CSA, DNV, BV, RINA, GL
  • Material: Chromium-plated metal bezel
  • Mounting method: Panel cut-out for 22 mm diameter hole, on printed circuit or screw clamp connectors

Buy the Buy Schneider Electric Emergency-Stop Pushbutton Part Number ZB4BS844 Online

Order the Schneider Electric emergency-stop head ZB4BS844 online today to ensure safety and durability in your industrial applications. This red mushroom actuator is designed for quick emergency shutdowns, featuring a metal bezel and a round signaling head for clear visibility. Its IP66 and IP69K ratings provide excellent protection against dust and water, making it suitable for harsh environments. With a mounting diameter of 22mm, it supports rapid installation and long-lasting operation. Purchase now to enhance your safety controls with this reliable, certified component that guarantees high performance and compliance.

Buy Schneider Electric ZB4BS844 now and experience unmatched reliability and performance with a robust emergency-stop actuator head.

Frequently Asked Questions

Where can I buy Schneider Electric ZB4BS844?

You can click on the BUY or RFQ button to purchase ZB4BS844 from an authorized Schneider Electric distributor.

How do I troubleshoot issues or seek technical support for part ZB4BS844?

You can download the ZB4BS844 datasheet or visit the Schneider Electric website for support.

Who is the manufacturer of ZB4BS844?

Schneider Electric

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