Liebert 035-0342 Safety Switch
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Liebert 035-0342 Safety Switch

Liebert 035-0342 Safety Switch

The Liebert 035-0342 Manual Reset Safety Switch is a critical protection component engineered for high-demand thermal management systems. Specifically designed for compatibility with Liebert 6-12T, 15-22T, and 30T series units, this M/R safety switch monitors internal pressure thresholds to prevent catastrophic electrical malfunctions and compressor damage. Featuring a manual reset mechanism, it ensures that once a fault condition is detected and the circuit is interrupted, a technician must physically inspect the system before restoring operation. This hard-wired safety prevents the dangerous "cycling on error" patterns often seen with auto-resetting switches in high-capacity data center environments. With a quick-make, quick-break contact design to minimize arcing and a robust housing built to withstand industrial vibration and thermal cycling, the 035-0342 is the industry standard for maintaining uptime and equipment integrity in mission-critical cooling infrastructure.

Key Benefits
  • Direct OEM Compatibility: Engineered specifically for Liebert HVAC models, ensuring precise fitment and electrical calibration for 6-30T series equipment.
  • Critical Fail-Safe Protection: The manual reset (M/R) design locks out the system upon detecting high-limit faults, preventing repetitive restarts that lead to terminal failure.
  • Industrial-Grade Durability: Constructed with high-strength materials to resist HVAC electrical faults and maintain consistent performance in harsh mechanical rooms.
  • Standardized Integration: Facilitates rapid HVAC preventive maintenance by providing a reliable signal for system troubleshooting and diagnostics.
Common Questions

How do I know if the 035-0342 needs to be replaced or just reset?
If the switch has tripped, first clear the underlying pressure or electrical issue. If the switch fails to maintain continuity after a manual reset or shows visible signs of arcing at the terminals, it requires immediate replacement to ensure system safety.

Is this switch compatible with 30T Liebert series?
Yes, this specific Liebert safety switch is rated for use in both the 15-22T and 30T series, as well as smaller 6-12T configurations, making it a versatile service truck staple for contractors.

What causes this safety switch to trip frequently?
Repeated trips usually indicate a restricted airflow, high head pressure, or a failing inducer motor. Ensure all ports and hoses are clear of debris as part of your standard HVAC repair protocol.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$29.12

Original: $83.19

-65%
Liebert 035-0342 Safety Switch

$83.19

$29.12

Liebert 035-0342 Safety Switch

The Liebert 035-0342 Manual Reset Safety Switch is a critical protection component engineered for high-demand thermal management systems. Specifically designed for compatibility with Liebert 6-12T, 15-22T, and 30T series units, this M/R safety switch monitors internal pressure thresholds to prevent catastrophic electrical malfunctions and compressor damage. Featuring a manual reset mechanism, it ensures that once a fault condition is detected and the circuit is interrupted, a technician must physically inspect the system before restoring operation. This hard-wired safety prevents the dangerous "cycling on error" patterns often seen with auto-resetting switches in high-capacity data center environments. With a quick-make, quick-break contact design to minimize arcing and a robust housing built to withstand industrial vibration and thermal cycling, the 035-0342 is the industry standard for maintaining uptime and equipment integrity in mission-critical cooling infrastructure.

Key Benefits
  • Direct OEM Compatibility: Engineered specifically for Liebert HVAC models, ensuring precise fitment and electrical calibration for 6-30T series equipment.
  • Critical Fail-Safe Protection: The manual reset (M/R) design locks out the system upon detecting high-limit faults, preventing repetitive restarts that lead to terminal failure.
  • Industrial-Grade Durability: Constructed with high-strength materials to resist HVAC electrical faults and maintain consistent performance in harsh mechanical rooms.
  • Standardized Integration: Facilitates rapid HVAC preventive maintenance by providing a reliable signal for system troubleshooting and diagnostics.
Common Questions

How do I know if the 035-0342 needs to be replaced or just reset?
If the switch has tripped, first clear the underlying pressure or electrical issue. If the switch fails to maintain continuity after a manual reset or shows visible signs of arcing at the terminals, it requires immediate replacement to ensure system safety.

Is this switch compatible with 30T Liebert series?
Yes, this specific Liebert safety switch is rated for use in both the 15-22T and 30T series, as well as smaller 6-12T configurations, making it a versatile service truck staple for contractors.

What causes this safety switch to trip frequently?
Repeated trips usually indicate a restricted airflow, high head pressure, or a failing inducer motor. Ensure all ports and hoses are clear of debris as part of your standard HVAC repair protocol.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

The Liebert 035-0342 Manual Reset Safety Switch is a critical protection component engineered for high-demand thermal management systems. Specifically designed for compatibility with Liebert 6-12T, 15-22T, and 30T series units, this M/R safety switch monitors internal pressure thresholds to prevent catastrophic electrical malfunctions and compressor damage. Featuring a manual reset mechanism, it ensures that once a fault condition is detected and the circuit is interrupted, a technician must physically inspect the system before restoring operation. This hard-wired safety prevents the dangerous "cycling on error" patterns often seen with auto-resetting switches in high-capacity data center environments. With a quick-make, quick-break contact design to minimize arcing and a robust housing built to withstand industrial vibration and thermal cycling, the 035-0342 is the industry standard for maintaining uptime and equipment integrity in mission-critical cooling infrastructure.

Key Benefits
  • Direct OEM Compatibility: Engineered specifically for Liebert HVAC models, ensuring precise fitment and electrical calibration for 6-30T series equipment.
  • Critical Fail-Safe Protection: The manual reset (M/R) design locks out the system upon detecting high-limit faults, preventing repetitive restarts that lead to terminal failure.
  • Industrial-Grade Durability: Constructed with high-strength materials to resist HVAC electrical faults and maintain consistent performance in harsh mechanical rooms.
  • Standardized Integration: Facilitates rapid HVAC preventive maintenance by providing a reliable signal for system troubleshooting and diagnostics.
Common Questions

How do I know if the 035-0342 needs to be replaced or just reset?
If the switch has tripped, first clear the underlying pressure or electrical issue. If the switch fails to maintain continuity after a manual reset or shows visible signs of arcing at the terminals, it requires immediate replacement to ensure system safety.

Is this switch compatible with 30T Liebert series?
Yes, this specific Liebert safety switch is rated for use in both the 15-22T and 30T series, as well as smaller 6-12T configurations, making it a versatile service truck staple for contractors.

What causes this safety switch to trip frequently?
Repeated trips usually indicate a restricted airflow, high head pressure, or a failing inducer motor. Ensure all ports and hoses are clear of debris as part of your standard HVAC repair protocol.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.