Varistors

Leaded disk varistors up to +105 °C
SNF varistors up to +125 °C
Intrinsically safe ThermoFuse varistors

S05, S07, S10, S14, S20

Operating voltage V_RMS: 11 … 1100 V
High surge current ratings up to 12 kA
High energy ratings (2 ms) up to 440 J
For high energy absorption

	Surge current (A)	Type	PDF
	100 - 8000	S05K11 - S20K95
	250 - 2000	S07K14AUTOS2D1 - S20K30AUTO
	250 - 2000	S07V42AUTOS2D1, S10V42AUTOS5D1, S14V42AUTOS5D1, S20V42AUTOS5D1
	800 - 10000	S05K130E2 - S20K680E2

S25

Operating voltage V_RMS: 130 … 750 V
High surge current up to 20 kA
High energy ratings (2 ms) up to 1025 J
For high energy absorption

	Surge current (A)	Type	PDF
	20000	S25K130E4R12 - S25K750E4R12

Q14, Q20

Operating voltage V_RMS: 11 … 680 V
Maximum load capacity at minimum component size
Height miniaturization
High surge current rating up to 15 kA

	Surge current (A)	Type	PDF
	8000, 15000	Q14K130 - Q20K460

T14, T20, NT14, NT20

Operating voltage V_RMS: 130 … 1000 V
Disk varistor and fuse in one housing
Space saving
Monitoring option with 3rd lead
UL approval (1449)

	Surge current (A)	Type	PDF
	6000	T14K130E2 - T14K420E2
	6000	NT14K130E2 - NT14K680E2S5K4
	10000	T20K130E2 - T20K680E2
	10000	NT20K130E2 - NT20K750E2S5K4

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