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PDF ( 数据手册 , 数据表 ) DR-RDN20

零件编号 DR-RDN20
描述 20A Power Supply Redundancy Module
制造商 Mean Well
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DR-RDN20 数据手册, 描述, 功能
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.)
OUTPUT
VOLTAGE DROP
20A
0.6V
LED INDICATORS
Two green LEDs indicating each input is "OK or fail"
INPUT VOLTAGE RANGE 21 ~ 28V
INPUT
NUMBER OF INPUTS
Two
INPUT CURRENT (max.)
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.
-40 ~ +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 STANDARDS
UL508 approved
SAFETY & WITHSTAND VOLTAGE
EMC
(Note 2)
ISOLATION RESISTANCE
EMC EMISSION
Terminal-Chassis :0.5KVAC, Relay Contacts-Terminal :0.5KVAC
Terminal-Chassis :>100M Ohms / 500VDC / 25/ 70% RH
Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11, heavy industry level, criteria A
MTBF
996.8Khrs min. MIL-HDBK-217F (25)
OTHERS DIMENSION
55.5*125.2*100mm (W*H*D)
NOTE
PACKING
0.5Kg; 20pcs/11Kg/1.29CUFT
1. All parameters NOT specially mentioned are measured at 24VDC input, rated load and 25of ambient temperature.
2. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets
EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.”
(as available on http://www.meanwell.com)
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 2014-04-16












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