AUMSHIVAY ENGINEERING PRIVATE LIMITED
B-21, Bhan Nagar, Queens Road, Jaipur-302021
Website: www.aumshivay.com, www.omengineering.in
E-mail:[email protected]
PAGE. 10
REG. OFFICE:VILLA NO. 60,LATA NAGAR, KALWAR ROAD, JHOTWARA, JAIPUR - 302012
TM
TM
TECHNICAL SPECIFICATIONS
Protections offered:
Thermal over load, Single Phasing, Earth fault, Locked rotor, Under current.
Thermal Over Load
Protection
*
Current setting;
1 to 88 A in 6 different models.
1A to 2.75 A, 2A to 5.50 A, 4A to 11 A, 8A to 22 A, 16A to 44 A, 32A to 88 A.
Continuously adjustable.
*
Trip Time Characteristics;
Class 10A, 10, 20 and 30 as per IEC 947-4-1. Field
selectable through front DIP switches.
*
Pre alarm;
at 1.05 Im – by flashing LED (Im = Motor rated current)
*
Thermal Memory:
Provided.
Earth fault Protection
*
Current setting:
10 to 50% of Im
(Field selectable by front panel control)
*
Trip time delay:
200 msec (Factory set)
*
Disable feature:
Available
Phase Unbalance Protection
*Unbalance current :
40% of Im
*
Trip time delay:
3 sec
(Both factory set)
Locked rotor protection
*Locked rotor current -
3 Im
*
Trip time delay
- 1 sec (Both factory set)
*
Disable feature
- Available
Under Current protection
*Under current threshold -
50% of Im
*
Trip time delay
- 3 sec (Both factory set)
*Disable feature
- Available
Operational Indicators
*Indications for Power On:
LED
*
Indications for trip
on each of the 5 faults
LED starts flashing when fault is detected.
Become steady on when the relay trips after the
preset time delay. LEDs are manual reset.
Contacts
*1 N/O + 1 N/C
– manual reset
*
Rated Voltage:
250 V AC / 30 V DC
*
Rated Current:
5A
*
Rated breaking capacity:
2000 VA / 240 W (Resistive)
Auxiliary power supply
240 V AC +/- 20% or 110V AC +/-20%
Operating Temperature
0 to 60 deg. C
Accuracy
As per IEC 947-4-1
Reference Standards
IEC 60255, IEC 61000 and IEC 60068
Please refer separate document
“ General Electrical Characteristics”
Over all dimensions
70mm W x 85 mm H x 106 mm D
Weight
Less than 400 gms
Features:
LED’s for trip indication.
Inbuilt CTs available.
4 selectable trip time curves for thermal overload.
Test facility through front push button.
Manual reset facility through front push button.
With / Without fail safe mode.
