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Transport & Fleets
Configurable auxiliary power control and circuit data for buses and fleet vehicles.
The challenge
Every hour off the road costs you.
Since July 2025, only zero-emission buses can be bought for New Zealand public transport. Battery-electric buses still carry an auxiliary system, and every added load needs designing in.
Unplanned downtime
Electrical faults pull vehicles out of service at short notice, disrupting schedules and routes.
Battery drain and ad-hoc wiring
Parasitic loads and years of add-on wiring flatten batteries and make faults hard to trace.
Poor visibility
Without circuit-level records, intermittent electrical faults can be hard to reconstruct.
How Hardwire helps
Configurable auxiliary power control for buses.
Configurable protection
Per-circuit electronic protection, set to suit each load and cable, within an engineered design.
Parked-load control
Supports configured shedding of approved non-essential loads to help protect battery reserve.
Circuit data
Current and fault data for connected, monitored circuits.
Diagnostic logs
Logged output data for investigation.
Typical applications
Where it’s used on the bus.
Candidate 24 V auxiliary circuits on buses and fleet vehicles. Each circuit is checked for current, inrush and cable rating, within the OEM’s electrical design.
Lighting
Interior, marker and destination lighting circuits.
HVAC controls
Blower and control supplies on the 24 V system.
Telematics
Trackers, modems and CCTV recorders.
Door control circuits
Supplies to door controllers, within the OEM safety design.
Passenger info
Destination signs, displays and ticketing.
Auxiliary power
USB charging and after-market equipment.
White paper
Auxiliary electrical faults in bus fleets
Free white paper
Auxiliary electrical faults in bus fleets: what the data shows and what to check
Published data from NSW, Canberra and a 2019 US battery-electric bus evaluation, its limits, and measures operators can assess for their own fleet.
We’ll email you the white paper and may follow up once. See our privacy policy.
Investigators found a need for improvement in “configuration management, maintenance, inspection of electrical components and electrical design.”
NSW Office of Transport Safety Investigations, Bus Fire Safety Report 2013–2022 · Read the report →
Electrical faults were the most common cause of bus fires in NSW from 2013 to 2022.
Source: NSW OTSI, 2023
Let’s talk about your application.
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