Regal Rexnord
Load Bank
Regal Rexnord load banks are precision electrical test devices that apply a calibrated, controllable electrical load to emergency power systems — generators, UPS units, and turbine - generator sets — to verify their capacity, performance, and regulatory compliance under real - world conditions.Resistive and reactive load banks simulate the electrical demand that an emergency power system will experience during an actual outage, allowing facility managers, commissioning agents, and generator service contractors to confirm that the system will start, accept load, and maintain voltage and frequency within specified limits — before an outage tests it for real.Under the ASCO Power Technologies brand, our load bank portfolio spans portable units from 100 kW to trailer - mounted multi - megawatt models for data - center, hospital, water - treatment, and industrial - plant standby - power testing.Specifying engineers and facility operators choose ASCO load banks because testing under simulated load is not only a recommended practice(NFPA 110) but a mandatory regulatory requirement for many emergency, legally required, and critical - operation power systems — and because the reliability of the load bank itself is essential for accurate, repeatable testing that provides confidence in the emergency power system’s availability.
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NFPA 110 & Joint Commission - Compliant Testing
Load banks enable the monthly and annual testing required for hospital, data - center, and critical - facility emergency power systems, generating the test documentation for compliance audits.
Resistive, Reactive & Combined Load Types
Resistive for kW testing; reactive(inductive / capacitive) for kVAR and power - factor testing; combined loads for full apparent - power(kVA) verification of generator capability.
Portable & Permanent Installation Options
Portable units on casters for service - contractor flexibility; permanently installed radiator - mounted, duct - mounted, and free - standing load banks integrated into the facility’s generator system.
Precise Digital Control & Load Stepping
Microprocessor - controlled load stepping with 1 kW or 5 kW resolution allows precise simulation of building load profiles, including the block - loading response required for real - world outage simulation.
Safety Interlocks & Overtemperature Protection
Integral safety controls prevent operation beyond rated capacity or temperature, protecting both the load bank and the generator under test from damage.
Rental & Service Programs Available
Load bank rental for single - event commissioning tests; turnkey testing services including trained operator, load bank, and test report generation for compliance documentation.
Load Bank Testing Requirements for Hospitals & Critical Facilities
NFPA 110 requires that emergency power supply systems(EPSS) for life - safety and critical - branch loads be tested under load monthly(minimum 30 % of nameplate kW for 30 minutes) and annually(full nameplate kW for a duration sufficient to verify sustained performance). ASCO load banks provide the means to perform these tests without disrupting building operations — the generator is isolated from the building load and connected only to the load bank, allowing the test to be conducted safely and without risk to patient - care or critical - process loads.The load bank’s digital controls and data - logging capabilities generate the test records that hospital facility managers present to Joint Commission surveyors, demonstrating compliance with the EPSS testing requirements that are a focus of NFPA 99 and Joint Commission standards.
Load Banks for Generator Commissioning & Factory Acceptance Testing
Commissioning a new generator or a generator after major overhaul requires verifying that the machine meets its published performance specifications — voltage regulation, frequency stability, temperature rise, and fuel consumption — across the full load range.ASCO load banks provide the controllable, documented test load for these commissioning activities, and our testing services group offers factory - acceptance and site - acceptance testing programs that manage the entire process from load - bank delivery to final test - report submission.For mission - critical facilities — data centers, 911 dispatch centers, pharmaceutical manufacturing — this formal commissioning with documented test results is the essential final step in validating that the standby power system will perform as designed when it is needed most.