DR-RDN20 Datasheet, PDF (1/2 Pages) Mean Well Enterprises Co., Ltd. – 20A Power Supply Redundancy Module

20A Power Supply Redundancy Module
DR-RDN20
Features :
Suitable for redundant operation of 24V system
Installed on DIN Rail TS35 / 7.5 or 15
Relay contact signal output and LED indicator for input failure alarm
Cooling by free air convection
3 years warranty
SPECIFICATION
MODEL
DR-RDN20
REVERSE VOLTAGE (max.) 30V
OUTPUT CURRENT (max.) 20A
OUTPUT
VOLTAGE DROP
0.5V
LED INDICATORS
Two green LEDs indicating each input is "OK or fail"
INPUT VOLTAGE RANGE 21 ~ 28V
INPUT
NUMBER OF INPUTS
INPUT CURRENT (max.)
Two
20A per input
INPUT VOLTAGE ALARM When input is > 20V( 5%) or < 30V( 5%) relay contacts
FUNCTION
RELAY CONTACT RATING (max.) 30VDC, 1A
WORKING TEMP.
-20 ~ +70
WORKING HUMIDITY
20 ~ 90% RH non condensing
ENVIRONMENT
STORAGE TEMP., HUMIDITY -40 ~ +85 , 10 ~ 95% RH
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes ; Mouning: Compliance to IEC60068-2-6
SAFETY &
EMC
OTHERS
NOTE
WITHSTAND VOLTAGE
Terminal-Chassis :0.5KVAC, Relay Contacts-Terminal :0.5KVAC
ISOLATION RESISTANCE Terminal-Chassis :>100M Ohms/500VDC 25 70%RH
EMI CONDUCTION & RADIATION Compliance to EN55022 (CISPR22) Class B
EMS IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8, ENV50204, Heavy industry level, criteria A
MTBF
996.8Khrs min. MIL-HDBK-217F (25 )
DIMENSION
PACKING
55.5*125.2*100mm (W*H*D)
0.5Kg; 20pcs/11Kg/1.29CUFT
1. All parameters NOT specially mentioned are measured at 24VDC input, rated load and 25 of ambient temperature.
Typical Application Notes
1. 1+1 Redundancy
Using 1 more PSU as the redundant unit
2. 1+N Redundancy: Using more PSUs as the redundant units to increase the reliability
PSU
PSU
Vout
Load
DR-RDN20
PSU
Vin A
Vout
PSU
PSU
Vin B
Vin A
DR-RDN20
Vout
PSU
..............
Vin B
DR-RDN20
PSU
Vin A
PSU
Vin B
DR-RDN20
Vout
Load
3. Single Use: Connecting only one PSU to one DR-RDN20 to reduce the stress of the diodes and hence increase the reliability
PSU
PSU
Vin A
Vout
Vin B
Vin A
DR-RDN20
Load
Vin B
DR-RDN20
Vout
File Name:DR-RDN20-SPEC 2007-09-19