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Phoenix PSR-PC21-2NO-2NC-24DC-SC-coupling relay 1086945, coupling relay, suitable for occasions with SIL 3 high or low safety level requirements, can connect digital output signals to I/O system, 2 independently controlled normally open safety contact outputs, 2 feedback loops, safe state shutdown, test pulse filter, pluggable screw terminals

Product Type coupling relay
Product Series PSRmini
Application Safety Shutdown
high requirements
low requirements
Ex
control Single and Dual Channel
mechanical life 10x 106Switch Times
Relay Model Electromechanical relay with mechanical interlocking contacts according to IEC/EN 61810-3
insulation characteristics
Overvoltage Level III
pollution level 2
Typical startup time (Us) < 70 ms (at USis controlled by A1 or A3)
Typical release time < 30 ms (at USis controlled by A1 or A3)
Recovery Time 500 ms

rated conditions 7.05W (S1, S2, S3, S4 = on, 2-channel load, UB= 30 V,US= 24 V, IS= 2*46 mA, IL² = 36 A,Rcontact= 0.05 Ω)
Rated operating mode 100% Eligible
Rated insulation voltage 250V AC
rated overvoltage/insulation safety isolation from (A1/A2, A3/A4, 21/22, 41/42) to (13/14, 33/34) and reinforced insulation between (13/14) and (33/34) 6.4 kV
4 kV basic insulation between all current paths and enclosure
(A1/A2, A3/A4) and (21/22, 41/42)
Power
Name A1/A2,A3/A4
Rated control circuit supply voltage US 19.2V DC ... 30V DC
Rated control circuit supply voltage US 24V DC -20 % / +25%
Rated control supply current IS Typical 15 mA (per channel (configurable))
Typical 25 mA (per channel (configurable))
Typical 40 mA (per channel (configurable))
Typical 46 mA (per channel (configurable))
US Typical 360 mW per channel (configurable)
Typical 600 mW per channel (configurable)
Typical 960 mW per channel (configurable)
1.1W typical (per channel (configurable))
Impulse current Typical 200 mA (& Delta;t = 10 & micro;s,Us)
Typical 300 mA (& Delta;t = 10 & micro;s,Us)
filter time 2 ms (Usvoltage dips)
protection circuit Series protection against polarity reversal; 38.6V suppressor diode

relay: enable current path (13/14, 33/34)
Output Description 2 parallel normally open contacts, no delay, safety-related, floating
outputs 2
Contact Type 2 normally open safety contact outputs
Contact Material AgSnO2
Switching voltage Minimum 12V DC
Max. 250V AC/DC
2700499
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Phoenix PSR-PC21-2NO-2NC-24DC-SC-Coupling Relay 1086945

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