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Black cylindrical 70mm audible sounder beacon with ABS housing

Schneider Electric

Schneider Electric XVBC9B personal protective equipment

SKU CH-16F7-VVN8B MPN XVBC9B

A 70 mm audible sounder for Harmony XVB tower lights, operating at 12/48 V DC with 75 to 85 dB output in continuous or pulse modes

  • Audible alerts up to 85 dB for clear signalling
  • 70 mm compact beacon fits tight panels
  • 12 to 48 V DC supply suits varied systems
  • NEMA 4X rating protects against water and dust
  • Certified to UL 508 and EN/IEC 60947-5-1 standards

Audible Signalling for Harmony XVB Towers

The Schneider Electric XVBC9B is a 70 mm black audible sounder designed to integrate with Harmony XVB tower light assemblies. It operates on 12 to 48 V DC and draws 0.02 A, making it suitable for industrial control panels requiring local alarm indication. The unit produces a selectable continuous or pulsed tone at 75 to 85 dB for clear notification in machine environments.

Voltage Range and Sound Output Constraints

The sounder functions across a 12 to 48 V DC supply with a power draw between 0.24 and 0.96 W depending on applied voltage. Acoustic output is fixed between 75 and 85 dB and cannot be adjusted beyond the two selectable modes. Installers must ensure the supply voltage stays within the stated DC range to maintain specified sound levels and current consumption.

NEMA 4X ABS Polycarbonate Housing

The enclosure combines ABS and polycarbonate materials to achieve a NEMA 4X rating for indoor or outdoor wash-down and corrosion resistance. A 70 mm diameter and 2.5 in height match the Harmony XVB modular stack format for direct mounting. Certified to CCC, CSA C22.2 No. 14, EAC, EN/IEC 60947-5-1 and UL 508 standards for industrial safety compliance.

Highlights

  • Audible alerts up to 85 dB for clear signalling
  • 70 mm compact beacon fits tight panels
  • 12 to 48 V DC supply suits varied systems
  • NEMA 4X rating protects against water and dust
  • Certified to UL 508 and EN/IEC 60947-5-1 standards

Specifications

BrandSchneider Electric
ModelXVBC9B

Questions about this item

Should I choose the 12 V or the 48 V version for my tower light stack?

The sounder operates on any supply between 12 V and 48 V DC, so select the voltage that matches your existing Harmony XVB tower light power rail.

How loud is the 75 dB to 85 dB rating once the unit is mounted on a machine?

At the rated 0.02 A draw the sounder delivers 75 dB to 85 dB at 1 m, suitable for audible alerts in typical industrial environments.

What does the NEMA 4X rating and the listed standards mean for installation?

NEMA 4X certifies the ABS and polycarbonate housing against corrosion and water ingress, while UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, CCC and EAC approvals cover electrical safety for panel-mount use.

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