VS2 Series Shock and Vibration Switch for Equipment Shutdown Protection

The VS2 Series is a field-proven shutdown solution designed for rotating and reciprocating industrial machinery. When abnormal shock or vibration is detected, the switch instantly interrupts the control circuit, preventing costly mechanical failures before they escalate. Its fully adjustable sensitivity, robust magnetic latch, and availability in both standard and explosion-proof configurations make it a versatile choice across a wide range of industrial applications — from gas compressors to marine pumping units.

• Three-Plane Shock and Vibration Detection: Unlike single-axis sensors, the VS2 Series monitors shock and vibration across all three planes of motion simultaneously. This comprehensive coverage ensures that sudden impacts or abnormal vibration — regardless of their direction — are reliably detected and acted upon before damage occurs.
• Magnetic Latch Mechanism for Reliable Tripping: At the heart of the VS2 is a magnetic latch that holds the tripping mechanism in a set position during normal operation. When vibration or shock exceeds the configured threshold, the magnet releases, allowing the spring-loaded latch to transfer the contacts and initiate shutdown. This design minimises false trips while ensuring positive action when it matters.
• Fully Field-Adjustable Sensitivity: An externally accessible slotted sensitivity adjustment allows technicians to fine-tune the switch's response threshold directly on-site — no special tools or disassembly required. This makes the VS2 Series adaptable to different machinery types and operating environments without returning to the factory.
• Explosion-Proof Models for Hazardous Locations: The VS2EX and VS2EXR variants are housed in CSA-certified explosion-proof aluminum alloy enclosures rated for Class I, Division 1, Groups C & D hazardous areas. The VS2EXRB extends coverage to Group B locations, offering shutdown protection in even the most demanding chemical and petrochemical environments.
• Remote Reset Capability (VS2EXR & VS2EXRB): Equipped with a built-in electric solenoid, the remote reset option allows operators to reset a tripped switch from a safe, distant location — or to hold the circuit in reset during engine start-up sequences. Available in 115 VAC or 24 VDC configurations to match site power systems.
• IP54 Environmental Protection: All VS2 Series models are ingress-protected to IP54 when mounted on a horizontal surface with drain holes positioned downward. This rating ensures reliable operation in dusty, wet, and outdoor industrial conditions without compromising the internal mechanism.
• Multiple Contact Configurations: Depending on the model, available contacts include SPDT double-make leaf contacts (VS2/VS2C) and SPDT snap-switches (VS2EX/VS2EXR/VS2EXRB), with the VS2EXRB offering an optional DPDT configuration. This flexibility allows the VS2 to integrate into a variety of control and alarm circuit architectures.
• Compact, Versatile Mounting Options: The VS2 supports base mounting as standard, while the VS2C variant offers a C-clamp mounting configuration complete with 45 ft (13.7 m) of pre-wired 2-conductor cable — ideal for installations where mounting near the process point is preferable.