Vertiv Vertiv Liebert PEH Official Clean White Photo View 1
VertivModel: Vertiv Liebert PEH

Vertiv Liebert PEH Wet-Film Precision Humidifier for Datacenters (Computer Room Grade)

The Vertiv Liebert PEH is an industrial-grade telecom power or datacenter infrastructure module engineered for maximum uptime, high energy efficiency, and mission-critical reliability.

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Rated Humidification Capacity
5kg/h - 30kg/h (Isoenthalpic Humidification)
Operating Input Voltage Range
220VAC 50Hz Single-Phase (Wide Range)
Humidification Purity & Evaporation Method
-48VDC (-42V ~ -58V)
Wet-Film Media & Antibacterial Properties
Imported Polymer Media / Antibacterial & Anti-Mold
Water Quality & Automatic Flushing System
≥ 96.0%
Mounting Format & Structural Compatibility
Floor-Standing Perimeter Precision AC Unit mm

What this product is

What this product is

A field-proven industrial hardware system providing clean regulated DC power, precision thermal management, or unified physical equipment housing.

What problem it solves

Eliminates downtime from grid surges, thermal throttling, and power outages, ensuring continuous 24/7/365 availability.

Who and where it is for

Telecom core switching sites, 5G wireless base stations, enterprise server rooms, and modular edge computing deployments.

Core advantages

  • Heavy-duty industrial grade components designed for 24/7/365 uninterrupted mission-critical operation
  • Ultra-wide operating voltage tolerance to thrive in unstable utility grid conditions
  • Fully digital DSP microprocessor control with factory-aligned diagnostic routines
  • High-density modular architecture supporting hot-swappable zero-downtime maintenance

Technical specifications

Key specificationsValue
Rated Humidification Capacity5kg/h - 30kg/h (Isoenthalpic Humidification)
Operating Input Voltage Range220VAC 50Hz Single-Phase (Wide Range)
Humidification Purity & Evaporation Method-48VDC (-42V ~ -58V)
Wet-Film Media & Antibacterial PropertiesImported Polymer Media / Antibacterial & Anti-Mold
Water Quality & Automatic Flushing System≥ 96.0%
Cooling & Thermal ManagementCooling & Thermal Management
Operating Ambient Temperature WindowOperating Ambient Temperature Window °C
Telemetry Communication Bus ProtocolTelemetry Communication Bus Protocol
Mounting Format & Structural CompatibilityFloor-Standing Perimeter Precision AC Unit mm

Applications

01

Cellular Towers & Core Facilities

02

Industrial Automation Enclosures

03

Railway Signaling Infrastructure

04

Enterprise Edge Datacenter Racks

Frequently asked questions

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Vertiv Liebert CRV4 In-Row Precision Air Conditioner 25kW-45kW Variable Capacity Cooling (VTV-AC-CRV4-ROW) Official Studio Photo 3
VertivModel: Liebert CRV4 Precision AC

Vertiv Liebert CRV4 In-Row Precision Air Conditioner 25kW-45kW Variable Capacity Cooling (VTV-AC-CRV4-ROW)

Engineered for close-coupled data center cooling, the Liebert CRV4 delivers dynamic 25kW to 45kW capacities using variable-speed DC scroll compressors and green R410A refrigerant. Integrated with the intelligent iCOM touchscreen controller, it continuously adjusts to workload changes, eliminating localized hotspots while optimizing facility PUE.