| Model : B1DS |
| Function |
Star to Delta changeover timer with star time & transfer timer settable. |
| Rated supply Voltage |
440V AC. |
| Operating Voltage Range |
-20% to +10% of rated voltage. |
| Rated Frequency |
50Hz ± 5% |
| Power consumption |
AC approx.20A / 4 W |
| Control Output |
Rated for 5A @ 250VAC/28VDC resistive load |
| Time range |
STAR TIME : 0.6SEC to 60 Sec
TRANSFER TIME : 40mSec/100mSec settable |
| Range Selection |
6Sec,60Sec/transfer time 40m Sec,100mSec |
| #Setting accuracy |
±10%max. w.r.t full scale ±100mSec |
| #Repeat accuracy |
±1%max ±100mSec |
| Recovery Time |
150m Sec minimum |
| #variation due to voltage change |
±2% max.±100m Sec |
| #variation due to temperature change |
±5% max.±100m Sec. |
| #Variation due to frequency change |
±2% max ±100m Sec. |
| Ambient temperature |
Operation : -100 C to 550 C.
Storage : -250 C to+800 C. |
| Humidity |
MAX 85% RH @ 400 C |
| Serive life(under no load) |
106 operations minimum |
| Electrical Life(under full load) |
105 operations minimum. |
| Rated frequency of Operation |
1800±5% operations per hour max. |
| Electrical Connection |
Screw type terminals with self lifiting clamps |
| Insulation Resistance |
>100M ohms @ 500V DC. |
| Dielectric Strength |
01) 2.5 KV AC, 50HZ for 1 minute.(Between current carrying & non carrying parts).
02) 1.5KX AC, 50HZ for 1 minute. ( Between contacts & Control circuit)
03) 750V AC, 50 Hz for 1minute ( Between non-continuous contacts of the relay) |
| Dimension |
45X75X116mm(WXHXD) |
| Enclosure(Series) |
B1D series |
| #Applicable only for star time. |
