KEPCO KDA 24V Alarm Module - Manual (Page 4)

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228-1694 REV 4 062411
KEPCO, INC. 131-38 SANFORD AVENUE FLUSHING, NY. 11355 U.S.A. TEL (718) 461-7000 FAX (718) 767-1102
http://www.kepcopower.com email: [email protected]
III — SPECIFICATIONS
Specifications for each model are listed below.
INPUT CHARACTERISTICS:
INPUT VOLTAGE:
Nominal 24V d-c, Operating Range: 12V** to 35V d-c
** Consult factory for operation below 24V nominal.
NUMBER OF INPUTS:
Two (2): A and B
INPUT AND OUTPUT CURRENT: Per input:
30A max.
NOTE: For parallel operation of both circuits
maximum output current of each circuit
must not exceed 30A.
VOLTAGE DROP: Input to Output
0.5V d-c typ.
REVERSE OUTPUT VOLTAGE:
45V d-c max
ALARM, INPUT VOLTAGE (UNDERVOLTAGE):
Indicators (A and B): UV LED
— Relays (A and B): isolated contacts rated at
28V d-c/1A or 115V a-c/0.5A
— Range: See Figure 5 and Table 2.
— Factory preset: See Figure 5 and Table 2.
— Hysteresis: See Figure 5 and Table 2.
ALARM, INPUT VOLTAGE (OVERVOLTAGE):
— Indicators (A and B) OV LED
— Relays (A and B): isolated contacts rated at
28V d-c/1A or 115V a-c/0.5A
— Range: See Figure 5 and Table 2.
— Hysteresis: See Figure 5 and Table 2.
— Factory preset: See Figure 5 and Table 2.
ENVIRONMENTAL CHARACTERISTICS
OPERATING TEMPERATURE (35V INPUT MAX.):
KDA 24A: -10 to +60°C (all orientations)
KDA 24R: -10 to +50°C (100% load, Figure 7)
-10 to +60°C (60% load, Figure 7)
-10 to +30°C (mounting other than
shown in Figure 4.)
STORAGE TEMPERATURE: -25°C to +85°C
COOLING: Natural convection.
GENERAL CHARACTERISTICS
ISOLATION VOLTAGE:
Between input and ground: 500V.
Between output and ground: 500V.
Relay contacts are galvanically isolated.
SAFETY: All units designed to meet UL 508, UL
60950, TÜV Rheinland EN60950 and EN 60529 (category
IP 20); KDA 24 units are CE marked per the Low Voltage
Directive (LVD), EN60950.
CONNECTIONS: Screw terminals: M3 slotted (use
cabinet tip screwdriver, flat, (0.125” [3mm] x 0.020”
[0.5mm]); Wire gage: solid/stranded AWG (mm
2
): 24-12
(0.25-2.5); strip length: 5/16 in. [8mm], max torque: 5 lb.-in
[0.5Nm].
WARRANTY: One year.
WEIGHT: KDA 24A: 0.5 lbs. (0.255 kg.)
KDA 24R: 1.0 lbs. (0.454 kg.)
DIMENSIONS:
See Figure 6.
TABLE 1. FEATURE SUMMARY, KDA 24 SERIES
SPECIFICATION
KDA 24A
Independent
KDA 24R
Parallel Redundant
Reverse Voltage Protection Yes Yes
ORing (blocking) diodes No Yes
Undervoltage LED Yellow = Alarm Yellow = Alarm
Overvoltage LED Red = Alarm Red = Alarm
Input DC OK LED Green = DC OK Green = DC OK