APC by Schneider Electric ACRH301S InRow Dual Coil 300mm 27kW Indoor Cooling Unit
Overview
The APC by Schneider Electric ACRH301S is a rack-mounted InRow cooling unit engineered for high-density data center and server room environments where traditional perimeter cooling falls short. Rated at 27kW of cooling capacity with a dual-coil design in a 300mm form factor, this unit fits directly into standard 42U rack rows — positioning airflow delivery at the source rather than relying on raised-floor or overhead distribution. At 230V AC input (200–240V range), it's sized for international commercial electrical infrastructure and carries both CE and UL listings. If your compute density has outpaced what perimeter CRAC units can handle, this is the architecture to evaluate.
Key Features
- 27kW Cooling Capacity: Handles heat loads that would saturate most perimeter cooling setups — appropriate for high-density blade server rows, hyperconverged infrastructure, or GPU compute clusters where rack-level kW ratings exceed 10–15kW per rack. This is the number to match against your worst-case rack heat load before specifying.
- 2,912 CFM Maximum Airflow: Moves nearly 3,000 cubic feet of conditioned air per minute directly at row level, eliminating the pressure-drop losses that come with forcing air from a distant perimeter unit through raised-floor tiles. In practice, that translates to more consistent inlet temperatures across every rack in the row.
- Dual Coil Design: Two independent refrigerant coils mean the unit can continue conditioning air even if one coil circuit requires service — a meaningful operational resilience factor in always-on environments where planned maintenance windows are rare.
- 300mm Width Profile: At 11.8 inches wide, the ACRH301S occupies a single rack column slot in a standard hot-aisle/cold-aisle layout. This keeps the cooling unit physically integrated with the server row rather than consuming separate floor space.
- 42U Rack Compatibility: Designed to mount in standard 42U enclosures, aligning with the most common server rack height in commercial data centers. No custom cabinetry or non-standard rails required.
- 230V AC Input (200–240V Range): Wide voltage tolerance accommodates the variations common in international commercial facilities and multi-phase PDU environments. A single-phase 230V feed is the baseline — confirm your PDU output before installation.
- CE and UL Listings: Both marks are present, covering North American and European compliance requirements. Relevant if this unit needs to satisfy facility acceptance testing or insurance documentation in either market.
- Dark Gray Finish, Commercial Build: The dark gray enclosure blends with standard server rack aesthetics and reflects the unit's commercial-grade construction — this is not a light-duty office appliance. At 411 lbs, the unit requires appropriate floor loading and lift equipment for installation.
Integration and Compatibility
The ACRH301S is designed for integration into APC InRow cooling architectures, where it pairs with matching hot-aisle containment systems and APC's EcoStruxure IT management platform for monitoring and control. The 42U rack form factor is consistent with standard EIA-310 enclosures. Given the 78.4-inch height and 43.1-inch depth, verify aisle spacing and overhead clearance before procurement — the depth in particular (over 3.5 feet) affects how much clearance remains behind the unit in a standard hot-aisle containment setup. For data center deployments integrating rack-level cooling alongside managed PoE switches and network video recorders in the same row infrastructure, coordinating cooling capacity with total rack power draw is essential. Facilities teams specifying data center power and cooling equipment should cross-reference this unit's 27kW rating against the APC InRow product family to confirm this capacity tier fits between the available models. A data center cooling planning guide can help map kW-per-rack density to the right InRow unit tier.
Frequently Asked Questions
Q: What is the cooling capacity of the ACRH301S?
A: The ACRH301S delivers 27kW of cooling capacity, suitable for high-density rack rows where per-rack heat loads exceed what perimeter cooling can adequately manage.
Q: What input voltage does the ACRH301S require?
A: The unit operates on 230V AC with a tolerance range of 200–240V AC, consistent with commercial single-phase or multi-phase PDU infrastructure in international facilities.
Q: What is the maximum airflow rating?
A: The ACRH301S is rated at 2,912 CFM maximum airflow, delivered at row level to minimize thermal bypass losses versus perimeter cooling configurations.
Q: What rack height is the ACRH301S compatible with?
A: It is designed for 42U standard rack enclosures, the most common commercial server rack height.
Q: How wide is the ACRH301S and how does it fit in a rack row?
A: The unit is 11.8 inches (300mm) wide, occupying a single rack column position. At 78.4 inches tall and 43.1 inches deep, confirm floor load ratings and aisle depth before installation — the unit weighs 411 lbs.
Q: What certifications does the ACRH301S carry?
A: The unit carries CE and UL listings, covering both European and North American compliance requirements for commercial data center deployments.
