A70QS Series / Size 14x51 & 22x58 / 700V

These Premium Amp-trap® French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior low I2t for improved protection and performance.

Product Data

[550 KB]

Brochure

[Not Available]

DXF Drawings

UL File Card

CSA File Card

Features

Lowest I2t of any fuse this size for greater protection
Excellent cycling ability gives advantage in equipment
design
600V AC/DC rated

Highlights

International 14x51mm (2”x9/16”) and 22x58mm
(2 1/4”x13/16”) sizes for worldwide acceptance
Ferrule mount up to 100A for design versatility
Very low I2t for improved semiconductor protection
690V IEC rated, tested at 760VAC; can be used up to 750VAC in U.S.
700VDC rated for dc protection of equipment with
L/R ≤10ms
Superior cycling ability for longer life on difficult cyclic loading applications
aR characteristic for semiconductor short-
circuit protection

Ratings

AC: 690VAC, 10A to 100A, 200kA I.R.
AC: 700VDC, 10A to 100A, 100kA I.R.

Approvals

UL Recognized Component
CSA Certified
IEC 269-4 Compliance

Applications

Small inverters, UPS systems, Solid State Relays,motor drives and similar 700V or less equipment

Ferraz A70QS Series Fuse Selection

BODY SIZE (mm)	AMP RATING (A)	CATALOG NUMBER
BODY SIZE (mm)	AMP RATING (A)	NO STRIKER	WITH STRIKER
14 x 51	6	A70QS6-14F	A70QS6-14FI
	8	A70QS8-14F	A70QS18-14FI
	10	A70QS10-14F	A70QS10-14FI
	12	A70QS12-14F	A70QS12-14FI
	16	A70QS16-14F	A70QS16-14FI
	20	A70QS20-14F	A70QS20-14FI
	25	A70QS25-14F	A70QS25-14FI
	32	A70QS32-14F	A70QS32-14FI
	40	A70QS40-14F	A70QS40-14FI
	50	A70QS50-14F	A70QS50-14FI
22 x 58	10	A70QS10-22F	A70QS10-22FI
	15	A70QS15-22F	A70QS15-22FI
	20	A70QS20-22F	A70QS20-22FI
	25	A70QS25-22F	A70QS25-22FI
	32	A70QS32-22F	A70QS32-22FI
	40	A70QS40-22F	A70QS40-22FI
	50	A70QS50-22F	A70QS50-22FI
	63	A70QS63-22F	A70QS63-22FI
	70	A70QS70-22F	A70QS70-22FI
	80	A70QS80-22F	A70QS80-22FI
	90	A70QS90-22F	A70QS90-22FI
	100	A70QS100-22F	A70QS100-22FI