Page 232 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

®
Protistor Square-body Fuses
PSC gR sizes 7x - 690 VAC
Main characteristics

Ferraz Shawmut PSC-gRB 690 VAC fuse-links provide
maximum flexibility in equipment design and ultimate
protection for today’s power conversion equipment.
This range is a fast acting, full range fuses engineered
6,9 gRB 71 PA 200 to provide state of the art protection for power semicon-
ductors such as diodes, thyristors.
These square body fuse-links are available in various body
sizes with a broad range of ampere ratings allowing the
greatest flexibility in equipment design.
They have pure silver fuse elements embedded in solidified
2
sand which provides optimized I t and high breaking
capacity. All contact surfaces are plated and all hardware
6,9 gRB 73 TTF 1000 non-magnetic.
+ MS7V1-5 UR All fuses are standard with a low voltage blown fuse
indicator. This indicator can operate a microswitch which
is easily mounted directly on to the fuse in service.

6,9 gRB 70 EF 400

Feature
• Full range (gR curve), fast acting
• Highly current limiting.
• High breaking capacities
2
• Very low I t
• Worldwide mounting acceptance. 6,9 gRB 73 DIIA 1000
• Superior cycling ability.
• High widstanding in rush current and overloads
Ratings

AC: up to 1000 A 690 VAC
150 kA IR
DC: Consult Factory

Applications
Protection of rectifiers, inverters, static switch, AC & DC drives and UPS systems.

AC: Tested to IEC 60269.4
approvals

Features/Benefits
Wide range of mounting styles
Broad range of ampere ratings in each body size for design flexibility

IEC 60269-4 compliance for fuses for worldwide semiconductor applications

SCAC112 12/04