Elkhart LPT30 and LPT50BRD Transfer Switch Identification

The Elkhart LPT30 and LPT50BRD are different shore-to-generator transfer switches. The 30A LPT30 serves one 120V AC line, while the 50A LPT50BRD is intended for two-leg 120/240V service. Match the model and enclosure revision before selecting a replacement, even if the housings look alike.

LPT30 and LPT50BRD AC system identification

Automatic transfer switches select between two appropriate power sources and supply one protected RV AC distribution system. Generator operation and the position of the internal relays depend on the exact unit and its factory controls.

LPT30 · 120V

Shore or generator inputSingle hot leg / neutral from one approved source
30A switchAutomatic selection; only one source supplies the load
30A 120V distributionConnected to RV AC load panel as approved

LPT50BRD · 120/240V

Shore or generator inputTwo hot legs / neutral from one approved source
50A transfer relayAutomatic selection; only one source supplies the load
Two-leg 50A distributionConnected to RV AC load panel as approved
Original functional system illustration. This is not a physical pinout or terminal wiring drawing; follow the exact manufacturer's lid and service schematic.

Identify the 30A or 50A Elkhart model

Exact model Current rating Voltage Main electrical distinction Time / enclosure
LPT30 30A 120V, single-phase Switches hot and neutral; 30-second nominal delay 6 × 6 × 3 in
LPT50BRD 50A 120/240V, two-leg Transfers two hot conductors and neutral Multiple enclosure versions

ESCO documents more than one LPT50BRD enclosure, including 8 × 8 × 4 and 8 × 11 × 3-inch versions with different internal wiring layouts. Its LPT30 and LPT30BRD also have separate factory documents. Use the serial label and lid diagram, rather than copying another model's terminal numbers.

Replacement selection: Verify source voltage, number of hot legs, contact rating, neutral switching, original model and physical mounting. A similarly rated switch from another family can have different terminal wiring and a different generator-priority circuit.

Identify matching Elkhart transfer-switch products

Each product card below links to the identified model on this store. Check the label on the installed switch and the current product listing before ordering.

Original Elkhart/ESCO installation documentation

The factory resources provide actual component and terminal placement for the relevant revision. Unlike the functional diagram above, those documents distinguish relay pins, source wiring and connections for servicing.

ESCO original LPT wiring and enclosure drawings · LPT30 model specifications · LPT50BRD ratings

Electrical safety: Shore, generator and inverter circuits must be fully isolated and tested before the enclosure is opened. Have a qualified RV electrician carry out mains-voltage installation and diagnostics to the exact factory schematic.

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