AIR CIRCUIT BREAKERS - Electrical and Electronics Division

Conformance to standards :
European : IEC-947-1 : 1988
IEC-947-3 : 1990
IEC-947-5
North
: 1992
American : CSA 22.2 No.14-1991
UL 508 (1994)
Indian : IS 13947-1/3/5, 1993
DC 22 L/R = 2 ms
Rated operational voltage
No of Series Contacts (V)
TECHNICAL DATA
Switch Life (Under standard operating conditions):
Mechincal Life : 1 Million Operations @300 Cycles/Hour
Electical Life : 0.5 Million Operation at 100% rated duty @120 Cycles/Hour
SNAP ACTION SWITCHES (AC / DC SWITCHES - D SERIES)
Contacts : Double break Type
Ag/AgNi/AgCdO
Insulation : Glass Filled polyamide with
High Tracking Index
Operating Temp : -25oC to 55oC Operating Frequency : Upto 10KHz
Humudity : 95% RD 48 Hours
CODE D16 D25 D32 D40 D63
DIMENSIONAL AC EQUIVALENT SG16 S25 S32 S40 TS63
Rated Operational Current Ie
1 2 3 D16 D25 D32 D40 D63
110V 250V 460V A 16 25 32 40 63
For Inductive Load L/R = 50 ms
Rated operational voltage
No of Series Contacts (V)
Rated Operational Current Ie
1 2 3 4 5 6 D16 D25 D32 D40 D63
24V 48V 70V 95V 120V 145V A 12 20 32 40 63
30V 60V 90V 120V 180V 240V 1 5 9 25 30 55
48V 95V 140V 190V 240V 290V A 2 3 16 20 –
60V 120V 180V 240V 300V 360V A 1 1.5 11 15 –
110V 220V 330V 440V 550V 660V A 0.4 0.5 3.2 3.5 –
Note : AC rating and terminal capacity of “D” Series switches are equal to the
respective AC Equivalents
3/32
3