3300/03 System Monitor Operation Manual
18
12. SPECIFICATIONS
INPUTS
No external loads, normal operation mode, 25°C
Supply
Voltage
+VRH:
23.65
±
6.35
Vdc
+VRL:
11.22
±
3.09
Vdc
+7.5V:
7.5
±
0.1
Vdc
+5V:
5.00
±
0.05
Vdc
REF:
5.00
±
0.009
Vdc
-7.5V:
-7.5
±
0.1
Vdc
-VT (-24V Option):
-23.75 ± 0.45 Vdc
-VT (-18V Option):
-17.9 ± 0.4 Vdc
SYSTEM POWER-UP INHIBIT
Delay:
2.1
±
1
seconds
CONTACT CLOSURE RATING
Contacts for System Reset, Inhibit, OK, and Trip Multiply
Active:
<
100
Ω
Keyphasor
®
Output Voltage
-24V Option:
-23.2 V to -24.2 V, Short-circuit Protected
-18V Option:
-17.4 V to -18.3 V, Short-circuit Protected
ENVIRONMENTAL
Temperature:
Operating:
+32° F to +149° F (0° C to +65° C).
Storage: -40° F to +185° F (-40° C to +85° C).
Humidity:
0 to 95%, noncondensing.