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Knowledge BaseEV Chargers

Tesla Wall Connector (Gen 3)

Official manufacturer NA verified Sept. 2, 2026

Identity

cable_or_socket tethered cable, 7.3 m (24 ft)
category ev_chargers
ean UNKNOWN
generation Gen 3
manufacturer Tesla
market_version North America, 48 A single-phase (200-240 V AC)
model Wall Connector (Gen 3)
mpn 1457768-**-* (manual: '48A Single Phase' part number)
product_family Gen 3 Wall Connector
product_revision UNKNOWN
product_status active
region NA
release_year UNKNOWN
sku UNKNOWN

Electrical

adjustable_current_range_a 12-48 A (manual: 'Current Output Range 12 - 48 amps'; the maximum is set at commissioning from the installed breaker size: 60A->48A, 50A->40A, 40A->32A, 30A->24A, 20A->16A, 15A->12A)
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, 'Current Output Range 12 - 48 amps' + breaker/output table
api_cloud False
api_local UNKNOWN (no local API documented in the installation manual)
dynamic_load_balancing True
home_assistant_integration none-known
max_current_a 48
max_power_kw 11.5
meter_integration []
modbus_support False
mqtt_support UNKNOWN (not documented)
ocpp_support none (proprietary Tesla protocol only)
phase_type single-phase (NA 240V); international 3-phase variant not verified
solar_surplus_charging False
supported_inverter_ems_integrations []

Physical / mechanical

bracket_dimensions_mm wirebox bracket 250 (H) x 120 (W) x 50 (D)
cable_gland_sizes conduit 21 mm (3/4 in) default, 27 mm (1 in) optional
cable_length_m 7.3
depth_mm 110
enclosure_material UNKNOWN
height_mm 345
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, Specifications: 13.6 in (345 mm)
housing_color UNKNOWN
mounting_bolt_size 2x wood fastener screws supplied; 4 mm hex bit required
mounting_hole_diameter_mm wall pilot hole 4 mm (5/32 in); wirebox pilot hole 6.5 mm (1/4 in)
mounting_hole_spacing_mm UNKNOWN (mounting template supplied)
mounting_type ['wall']
screw_sizes UNKNOWN
shipping_weight_kg UNKNOWN
terminal_locations wirebox terminal block, 12-4 AWG (3.5 - 25 mm2), copper only
torque_specs terminal torque 5.6 N.m (50 lbf.in)
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, wiring section: '50 lbf.in, 5.6 Nm'
weight_kg 4.5
width_mm 155

Installation

direct_sunlight_restriction UNKNOWN (manual advises ambient below 50 C / 122 F for full output)
grounding_scheme TN/TT
indoor_outdoor indoor and outdoor (Type 3R / IP54)
max_installation_altitude_m UNKNOWN
mounting_height_mm recommended ~1150 mm (~45 in); maximum 1520 mm (60 in); minimum 600 mm (24 in) outdoor, 450 mm (18 in) indoor
mounting_orientation vertical wall mount
orientation_allowed ['vertical']
required_rcd_type not required externally - integrated CCID20 ground-fault protection
required_upstream_breaker external branch-circuit breaker sized per output (60 A for 48 A output). 'External disconnect switches are neither required nor recommended.'
supply_cable_requirements 60 C-rated breaker: minimum 4 AWG 90 C THWN-2 copper; 75 C-rated breaker: minimum 6 AWG 90 C THWN-2 copper. 'COPPER WIRE TERMINATIONS ONLY'
ventilation_requirements 'Not required'

Environment

cooling_method natural convection (ventilation 'Not required')
ik_rating UNKNOWN
ip_rating IP54
max_altitude_m UNKNOWN
nema_rating Type 3R
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, Specifications: 'Enclosure Rating Type 3R'
operating_temperature_c -30 to +50 (-22 F to 122 F); current is reduced in warmer conditions
relative_humidity UNKNOWN
storage_temperature_c -40 to +85 (-40 F to 185 F)

Interfaces & connectors

bluetooth UNKNOWN
cellular UNKNOWN
cloud_api Tesla app / vehicle control (no public charger API documented)
connector_type Tesla / NACS tethered handle, 7.3 m (24 ft) cable (NA variant)
ethernet UNKNOWN (not documented for Gen 3)
load_balancing Power Sharing over Wi-Fi: up to 6 Wall Connectors on one site (1 leader + 5 followers), minimum 6 A per Wall Connector
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, Power Sharing: 'up to 6 Wall Connectors installed at the same site'
local_api UNKNOWN
meter_inputs RS-485 CT meter for Dynamic Power Management (Neurio meter or Tesla Remote Meter)
modbus_rtu UNKNOWN (RS-485 port is documented only for the Tesla/Neurio meter)
modbus_tcp UNKNOWN
mqtt UNKNOWN
ocpp not supported (proprietary Tesla protocol)
protocol_notes No OCPP, no Modbus and no documented local API. Solar-surplus charging is not a charger feature; solar-aware charging exists only at vehicle level via the Tesla vehicle API.
rfid UNKNOWN (not fitted)
rs485 RS-485 port used for Dynamic Power Management meter; maximum meter distance 122 m (400 ft)
wifi 2.4 GHz 802.11b/g/n, infrastructure mode, WPA2 password-secured; open networks not supported

Controls & display

buttons charge-handle button (press/hold)
display_type none
leds vertical light bar, 7 LEDs; streaming green = charging; 1-7 red blinks = fault codes; solid blue = standby/vehicle communication
local_display False
mobile_app Tesla app
touchscreen False
web_interface commissioning wizard over local Wi-Fi access point

Protection

auto_recovery temporary faults retried every 15 minutes, 4 attempts; resumes 1-3 minutes after a power outage
ground_assurance continuous ground monitoring with automatic recovery; settable Enable / Monitor / Disabled by region - 'Ground Monitoring is always enabled for installations in North America'
ground_fault_protection integrated CCID20 (continuous differential-current monitoring)
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, 'Integrated CCID20'
over_current UNKNOWN
over_temperature multi-point thermal monitoring on relays, microcontroller and handle; current reduction then trip
over_voltage grid-quality monitoring with overvoltage protection
overvoltage_category UNKNOWN
protection_class UNKNOWN
residual_current_monitoring integrated CCID20
under_voltage UNKNOWN
welded_relay_detection integrated welded-relay detection

Certifications

emc ['FCC Part 15 Class B', 'ISED Canada licence-exempt RSS']
grid_codes []
other ['RF exposure: minimum 20 cm separation']
regional ['cULus']
safety ['cULus - E351001']

Warranty & service

conditions 48 months under normal personal use; reduced to 12 months for normal commercial use (hotels, offices, multi-family, pay-for-use). Excludes wear, abuse, improper installation, external damage, unauthorised repair.
design_life_years UNKNOWN
extended_options_years UNKNOWN
standard_years 4
Gen 3 Wall Connector Manual - 48A Single Phase (North America) — installation manual, Limited Warranty section

Documents

installation-manual Gen 3 Wall Connector Manual - 48A Single Phase (North America) rev UNKNOWN
product-page Wall Connector - Tesla Support

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

Automatic fault recovery15-minute retry, 4 attempts
Grounding schemeTN/TT
Maximum meter distance (RS-485)400 ft (122 m)
Power restoration behaviourresumes within 1 to 3 minutes after power restoration

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