
Transpo F540XHD External Adjustable Regulator
- Adjustable 13.5V – 15.8V (internal potentiometer)
- 8A field current, single 1.5Ω rotor
- Default 14.2V, temperature compensation
- B-circuit, negative ground
£54.99
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Heavy-duty Transpo regulators – perfect for externally regulated high output alternators, letting you fine-tune charging voltage to suit your system.

£54.99
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£79.99
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£119.99
View & orderTerminal ID (F540XHD / V1210 / V1200): I = Light, A = B+, S = Stator or Switch (IGN+), F = Rotor Field+, Case = Ground. 911-02R: POS = B+, NEG = Ground, FLD = Rotor Field+.
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