Page 120 - Ferraz semiconductor DIN

Protistor ®
Semiconductor (AC) fuses

Protistor ® Square-body Fuses: NH Plain Blades gS
Fuse monitoring

®
The most suitable and reliable solution for monitoring the Protistor NH gS fuses.
No need of microswitch !!

Snap-on mounting on ITC switch disconnectors and screw
mounting on NH bases
For technical data, refer to GP009 Fuse Monitoring brochure.

on ITC 250

on NH base

Microswitches

Main Characteristics
AC Positive Current Interrupting rating AC voltage Impulse Fire class
Catalog Insulation operating rating Current Non inductive circuit withstand voltage test according
Number voltage voltage/ (A) Inductive circuit : L/R = 25ms test Uimp1.2/ to UL 94
rating (***) current 30V 110V 250V 30V 110V 250V (*) 50 µs (**)
1000 V 20V 50Hz 4A 4A 5A - 5A 5A 12 kV 16 kV
MSNHB2 5A V0
100 mA DC - - - - 2A 0,4A 8 kV 13 kV
1000 V 20V 50/60Hz 10A 10A 10A 10A 10A 10A
MSNHB6 10A 8 kV 10 kV V0
50 mA DC 8A 0,4A 0,2A 4A 0,2A 0,1A
* Between power circuit and microswitch terminals as per IEC 60 and 694 and NFC 64010 (50/60 Hz 1 min duration in dry air)
** Between power circuit and microswitch terminals Uimp: impulse voltage as per IEC 60947-1
*** Between power circuit and microswitch terminals

Catalog Number Ref. Number Weight Pack.

MSNHB2 Consult us 30 3
MSNHB6 Consult us 26 3

Automatically resettable, these microswitch systems indicate fuse presence (PRES)
and proper mounting.
In case of improper mounting or fuse melting, this is indicated (terminal 1-4 closed)

MSNHB6
6.3 mm clips

MSNHB2
2.8 mm clips

9