NOVAR 300 Operation & Maintenance Manual
NOVAR_CM
Page 7 of 29
2. TECHNICAL SPECIFICATION
2.1 RATINGS, OPERATING RANGES & FEATURES
Voltage Rating (Vn)
110 V, 120 V, 415 V, 480 V.
Others available in range 63.5 V to 500 V max.
Current Rating (In)
1 A or 5 A. Others available in the range 0.5 A to 5 A max.
Input Connections
IA, VBC, or IB, VCA or IC, VAB
IR, VYB, or IY, VBR or IB, VRY,
IR, VST, or IS, VTR or IT, VRS.
Line Current Transformers
Class 1, 5 VA
Operating Ranges
Voltage
85 ... 110 % Vn
Current
0...120 % In
Frequency
50/60 Hz
Humidity
0...93 % +2 % -3 % Relative (non-condensing)
Temperature Range
Storage: -40... 80
°
C
Operating: -10... 55
°
C
Settings
c/k 0.03...1.00
cos phi 0.80...1.00...0.95 leading
Overload Ratings
1.5 x Vn for 10 seconds
2 x In continuously
20 x In for 3 seconds
Isolation
The controllers will withstand:
2 kV rms, 50/60 Hz for 1 minute between:
- all terminals to case
- current terminals to all others
- voltage terminals to all others
- output contact pairs (Volt Free versions)
Impulse Voltage Test
The controller will withstand:
5 kV 1.2/50 us, 0.5J, to BS923 and IEC 255-22-1 between:
- all terminals and case
- current input terminals
- voltage input terminals
- output contacts (open)
- any pair of independent circuits
Output and Alarm contact
rating
Make 1250 VA, 500 V a.c. resistive
Carry 5 A a.c.
Break 5 A a.c.
Type: one normally open
