Standard conformity : |
IS 13947 (Part 5/ SEC-1)
1993& IEC 947-5-(1)1990 |
Rated Thermal Circuit: |
10 A. |
Rated Insulation voltage For all Push Buttons and Selector Switches excluding Luminous Switches & Lamp Holders. |
AC 500V, 50HZ.
DC 250V. |
For illuminated
Switches & Lamp Holder. |
AC 250 V, 50HZ.
DC 250V |
Rated operational voltage
For contact blocks |
AC 500V, 50HZ.
DC 220V . |
Electrical Ratings
IEC: 947-5-(1)-1990 |
AC 15=4A, 415VAC
DC 13=0.5A, 110V DC With a time constant of 300 millisecond |
IS: 13947
(Part 5 Sec-1) 1993 |
AC 15-4A, 415V AC
DC 13=0.5A, 110V DC With a time constant of 300 millisecond |
Mechanical life |
Over 1million operations. |
Electrical life |
Depends on load current. |
Switching frequency Minimum |
1200 cycles per hour. |
Degree of Protection
According to IS: 2147
(1962) & IEC: 529 |
All Operating heads IP-65
Except mushroom key release which is IP-54 Push Buttons with Rubber shrouds IP-66.
2.5KV for 1Min. |
Dielectric test voltage |
2.5KV for 1Min. |
Operating temperature Limit(except shrouds)
Non-illuminated units
Illuminated units. |
-25*C to 70*C.
-25*C to 50*C. |
Operating Position |
All positions. |
Backup fuse rating
HRC type rated for 10A Cartridge fuse.
Resistive loading. |
10A Cartridge fuse |
Terminal capacities |
maximum 2x1.5 sq.mm or
1x2.5sq.mm minimum
1x0.5sq.mm. |
Altitude |
<3000 M. |
Terminal Marking |
Dual marking system 1-2
For normally closed and 3-4
For normally open. |