Page 20 - Ferraz semiconductor DIN

Semiconductor fuses
Semiconductor (AC) fuses

®
Protistor Square-body Fuses
PSC gR/aR sizes 000/00
Microswitches for PSC sizes 000/00 and NH

MICROSWITCH SYSTEMS ADAPTED TO THE FOLLOWING FUSES: MS 4L 2-5

- PSC sizes 000/00 (brackets) DIN43653
- NH Fuses (palin blades) see details in "General Purpose IEC Fuses" section
- NH plain blades 690 VAC Protistor square-body Fuses

Main Characteristics

AC Interrupting rating AC voltage Impulse
Insulation Positive Current withstand voltage test Fire class
Code voltage operating rating Non inductive circuit Inductive circuit : L/R = 25ms test Uimp1.2/50 according
rating voltage/current Current µs to UL 94
(***) 30V 110V 250V 30V 110V 250V (*) (**)
MS 4L 2-5 B2 1000 V 20 V 5 A 50 Hz 4A 4A 5A - 5A 5 A 12 kV 16 kV
V0
+ Pres 100 mA DC - - - - 2 A 0,4 A 8 kV 13 kV
MS 4L 2-5 B6 1000 V 20 V 50/60 Hz 10 A 10 A 10 A 10 A 10 A 10 A 8 kV 10 kV V0
10 A
+ Pres 50 mA DC 8 A 0,4 A 0,2 A 4 A 0,2 A 0,1 A

* 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

Weight
Designation Ref. Number Pack. Catalog Number
(g)
MS 4L 2-5 B6 + F210156 30 3 MS 4L2-5B6PRES
PRES (Fig. 1) (1)
MS 4L 2-5 B2 + G210157 26 3 MS 4L2-5B2PRES
PRES (Fig. 2) )
(2
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)

Fig.1 Fig.2

(1) 6.3 mm clips
(2) 2.8 mm clips

SCAC66 12/04