Delta Electronics VFD-F Series manual Main Circuit Connection, Terminal Explanations

VFD-F Series

3.3 Main Circuit Connection

Figure 1 for the main circuit terminals

Brake Resistor (Optional)

Non-fuse breaker (NFB)

R

S

T

MC	+1 +2/B1	B2	-	Motor
	R(L1)	U(T1)		IM
	S(L2)	V(T2)
	T(L3)			3~
		W(T3)
	E
			E

Figure 2 for the main circuit terminals
			VFDB	Brake Resistor (Optional)
Non-fuse breaker
(NFB)	MC	+1	+2	-	Motor
R				U(T1)
		R(L1)			IM
S		S(L2)		V(T2)
T		T(L3)			3~
				W(T3)
		E
				E

Terminal Explanations

Terminal Symbol

R/L1, S/L2, T/L3

U/T1, V/T2, W/T3

+1,+2

+2/B1~B2

+2~ -,+2/B1~ -

Explanation of Terminal Function AC line input terminals

AC drive output terminals motor connections Connections for DC Link Reactor (optional) Connections for Brake Resistor (optional) Connections for External Brake Unit (VFDB series) Earth Ground

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