Load Banks

AC 500 kW load banks and DC load banks including PDL and SEL

All series in this group

ACAC SeriesActive models: 3PH-100KW, AC 500 KW Horizontal and AC 500 KW Vertical

AC 100 kW Load Bank

3PH-100KW

AC 500 KW Vertical

AC 500 KW Horizontal

DCDC SeriesPDL / SEL

PDL

PDL 500-80K PDL 500-40K

SEL

SEL 220V-15KW SEL 12V-160A SEL 110V-15KW SEL 06-100A SEL 48V-15KW

NPS Series Chargers

The NPS series includes NPS-V for variable output and NPS-F for fixed output.

All series in this group

NPS Series

NPS-V is variable output; NPS-F is fixed output.

NPS-VNPS-F

NPS-V 500V-40A NPS-V 220V-160A Mobile NPS-V 110V/80A-P24V/50A NPS-V Low Voltage NPS-V High Voltage

Industrial Parts & Electrolyte

Specialized nickel-cadmium battery electrolyte and industrial auxiliary parts

All series in this group

Ni-Cd Battery Electrolyte

E22 Electrolyte

Industrial Parts

DEHNguard DG MOD

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NIAWELL KNOWLEDGE BASE

Industrial power engineering articles

Deep technical guides for engineers, maintenance teams, operators and project managers, with references to reputable technical sources.

LOAD BANKDC POWERNi-Cd

Niawell load bank beside a generator during a load test

Load banks & power testing

2026-08-096 min

What Is a Load Bank? Types, Applications, Generator Testing & Selection

A load bank is a controlled electrical load used to test the real capability of generators, UPS systems, batteries and power supplies without risking the real site load.

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Load banks & power testing

2026-08-0915 min

Engineering guide to load-bank testing of generators, UPS and DC systems

A practical engineering method for selecting load profiles, measuring source performance, recording evidence and turning a load-bank test into a maintenance decision.

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