DC Fast ChargersAll-in-One
Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System DC Fast Charger Manual
Setup, everyday use, maintenance and troubleshooting for the 250 kW DC fast charger, with verified specifications.
- Max output250 kW
- ConnectorsNACS
- Outputs1
About the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System
This guide covers the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System, a 250 kW DC fast charger listed as ENERGY STAR certified. It offers a maximum available output of 250 kW, with one charging output using a NACS (SAE J3400) connector.
As an all-in-one unit, the power electronics, controls and cables are housed in a single cabinet at the parking space.
With no vehicle connected it draws 937.0 W.
Network capability is not listed in the certification data; confirm connectivity options with the manufacturer. Equipment includes a credit card reader.
Specifications
| Brand | Tesla |
|---|---|
| Model number | CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System |
| Configuration | All-in-One |
| Maximum available output | 250 kW |
| Charging outputs | 1 |
| Connector types | NACS (SAE J3400) |
| Supply type | AC input |
| Input phase | Three Phase |
| Output cable length | 10 ft |
| Power factor at full load | 0.99 |
| Standby power, no vehicle connected | 937.0 W |
| Idle mode power | 91.6 W |
| Network capable | No |
| Demand-response (connected) capable | No |
| Credit card reader | Yes |
| RFID reader | No |
| High-resolution display | No |
| ISO 15118 (PLC) communication | No |
| Revenue-grade meter | No |
Safety information
- DC fast chargers operate at hazardous voltages — a three-phase supply and a DC output of several hundred volts. Only qualified electrical workers trained by the manufacturer should open the enclosure, and only after lockout/tagout and verification of zero energy, following NFPA 70E or the equivalent workplace electrical-safety rules.
- Installation must comply with the National Electrical Code (NEC Article 625 and related articles) or the Canadian Electrical Code, the manufacturer's installation manual and local requirements. Permits, inspections and utility approval are required.
- Know where the emergency stop and upstream disconnects are, keep them unobstructed and clearly labeled, and train site staff to use them.
- Take an output out of service immediately if its cable jacket is cut, the connector is cracked or pins are damaged, or the holster is broken. Do not attempt field repairs to cables or connectors.
- Keep cables off the ground and coiled on their holsters or cable-management systems so they are not driven over or become a tripping hazard.
- Drivers should use only connector adapters approved by their vehicle manufacturer, and never force a connector into a port.
Installation and site planning
A DC fast charger is a site project rather than a simple appliance installation. Plan for utility coordination, electrical design by a licensed engineer or electrical contractor, civil work and commissioning by a manufacturer-certified technician.
- Engage the utility early
Request a service evaluation for the added load (250 kW for this unit). Many sites need a new service or transformer, and lead times can be long. Ask about commercial EV rate options and demand charges, which often dominate operating cost.
- Design the site
Lay out stalls so the 10 ft cables reach charge ports on either side of typical vehicles, include accessible stalls and routes as required by accessibility rules, and add bollards or wheel stops, lighting, signage and space for maintenance access around the cabinet.
- Prepare foundations and conduit
Build the concrete pad and conduit runs to the manufacturer's drawings, including anchor-bolt patterns and minimum clearances for cooling airflow.
- Set and wire the equipment
Set the cabinet(s), terminate the supply conductors and grounding to the specified torque, and install any separate communication cabling. Only qualified electricians should perform this work.
- Commission
A manufacturer-certified technician performs start-up checks, verifies insulation and protective functions, updates firmware and runs test sessions with a vehicle or load bank.
- Inspect and open
Pass the electrical inspection, then publish the site to charging-network maps and apps so drivers can find it.
Using your DC fast charger
Driver charging session
- Select the correct connector (NACS (SAE J3400)) — and insert it fully into the vehicle's port.
- Authorize the session by tapping or inserting a credit card.
- The charger and vehicle check the connection and insulation before energizing; charging then ramps up automatically.
- Stop the session from the screen, the app or the vehicle, wait for the connector to unlock, and return it to its holster.
What determines charging speed
- The vehicle requests the power; the charger supplies up to 250 kW, but most cars accept less than that, especially at high states of charge.
- Charging is fastest at low battery levels and tapers significantly above roughly 80% state of charge, so stopping at 80% frees the stall sooner.
- Very cold or hot batteries charge more slowly until the vehicle conditions them; preconditioning on the way to the charger helps.
- High ambient temperatures or blocked cooling vents can cause the charger to reduce output to protect its components.
Care and maintenance
| When | What to do |
|---|---|
| Daily or weekly | Walk the site: check connectors, holsters and cables for damage, clear debris and confirm screens and status lights are working. |
| Every month | Clean connector faces and holsters with a dry or lightly damp cloth (never a pressure washer), clean the display and card reader, and test a charging session on each output. |
| Every 3–6 months | Inspect and clean or replace air filters and check that cooling intakes and exhausts are clear, as the manual specifies. Check enclosure door seals and cable-management hardware. |
| Every year | Qualified technicians perform preventive maintenance per the manufacturer's schedule — typically power-connection torque checks, thermal imaging, cooling-system service, protective-function tests and firmware updates. |
| After any vehicle impact | Take the unit out of service and have it inspected, even if damage looks cosmetic. |
Keep a maintenance log and track uptime by output. Many manufacturers and network operators offer service agreements that include remote diagnostics and guaranteed response times.
Troubleshooting
Many fast-charging problems originate on the vehicle side or in communications. Check the basics below, then escalate to the service provider with the fault code and time of the event.
| Problem | Possible cause | What to try |
|---|---|---|
| Session will not start | Authorization failed; charger offline from its network; connector not fully seated. | Retry authorization or use another method; check network status; reseat the connector and wait for the handshake to complete. |
| Charging slower than expected | Vehicle's own limit or high state of charge; cold battery; power shared with another output; thermal derating. | Compare with the vehicle's charging curve; check whether another vehicle is charging; inspect cooling vents and filters. |
| Session stops unexpectedly | Insulation or ground-fault check failed; communication error between vehicle and charger; vehicle requested stop. | Restart the session once. If the same fault repeats, record the fault code and take the output out of service for inspection. |
| Payment or card reader not working | Terminal offline; reader dirty or damaged. | Check the terminal's network link; clean the reader; offer an app or RFID alternative while it is repaired. |
| Charger shows offline | Cellular, Wi-Fi or Ethernet connection lost; backend outage. | Check the modem or router and signal strength; contact the network operator. Some chargers continue local operation while offline. |
| Display dark or unreadable | Display or control power fault; very high ambient light. | Check status through the network platform; contact service if the display has failed. |
| Connector hot or damaged | Wear, contamination or mechanical damage. | Take the output out of service immediately and have the cable assembly replaced by a qualified technician. |
| Fault code displayed | Brand-specific diagnostic code. | Fault codes are not standardized; consult the code table in your manufacturer's manual or service portal. |
Energy use and running costs
With no vehicle connected the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System draws 937.0 W. If it sat in that state around the clock, it would use about 8,208 kWh a year — roughly $1,395 at $0.17 per kWh. Commercial electricity prices vary widely, so substitute your own rate.
For most commercial sites, utility demand charges — billed on the highest power drawn in a billing period — can outweigh energy charges. Power-management settings, staggered sessions and on-site storage can reduce peak demand.
Frequently asked questions
How powerful is the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System?
Its maximum available output is 250 kW. The actual charging rate depends on what each vehicle can accept and its battery's state of charge.
What connectors does the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System have?
The certification lists a NACS (SAE J3400) connector on its single output. NACS (SAE J3400) is the connector originally developed by Tesla and now being adopted across North America.
Does the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System accept credit cards and connect to a network?
Network capability is not listed in its certification data, so confirm connectivity options with the manufacturer. A credit card reader is listed among its features.
What power supply does the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System use?
It is listed for AC input (three phase). The rated input voltage is not given in the certification data, so take it from the nameplate and installation manual.
How long are the charging cables on the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System?
The certification lists an output cable length of 10 ft. Lay out stalls so the cable reaches charge ports on either side of typical vehicles.
How much power does the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System use on standby?
It draws 937.0 W with no vehicle connected — about $1,395 a year at $0.17/kWh if left in standby continuously.
Is the Tesla CS-615-A2 with Cabinet, SuperCharger V3, 1450758 System ENERGY STAR certified?
Yes. It appears on the ENERGY STAR list of certified DC-output electric vehicle supply equipment, with a certification date of January 2025.
Sources and disclaimer
Specifications on this page come from the ENERGY STAR certified dc fast chargers dataset published by the U.S. Environmental Protection Agency (record certified January 1, 2025), retrieved October 7, 2026.
The setup, operating, maintenance and troubleshooting guidance is written by ManualHarbor's editors for this specific product type and configuration. It is an independent guide — not a reproduction of the manufacturer's manual — and ManualHarbor is not affiliated with Tesla. Always follow the safety instructions, installation requirements and warranty terms supplied with your unit, and contact Tesla or an authorized service provider for warranty repairs and replacement parts.
Running-cost figures use assumed U.S. average utility prices and are estimates for comparison only. See our editorial methodology for details.
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