Phoenix PSR-MC37-3NO-1NC-24DC-SC-safety relay 2702411, safety relay for emergency stop, safety door and elevator, safety level up to SIL 3, Cat. 4 and PL e, single-channel or dual-channel operation, automatic or manual start, cross circuit detection, 3-way normally open safety contact output, US = 24V DC, pluggable screw terminal
Product Type
safety relay
product series
PSRmini
Application
Emergency stop button
safety door
electromagnetic switch
answering machine
control
Single and Dual Channel
Relay Model
Electromechanical relay with mechanical interlocking contacts according to IEC/EN 61810-3
insulation characteristics
Overvoltage Level
II
pollution level
2
Typical Response Time
< 100 ms (auto start)
Typical startup time (Us )
< 100 ms (when controlled via A1)
Typical release time
< 20 ms (when controlled via A1 or S12 and S22)
restart time
< 1 s (start-up time)
Recovery Time
< 500 ms
Electrical characteristics
rated conditions
17.03W (UB = 30V ,US = 24V ,IS = 70 mA, IL 2 = 72 A2 ,RContact = 0.2) H.
Rated operating mode
100% Eligible
Rated insulation voltage
250V AC
rated overvoltage/insulation
4 kV base safety isolation between all current paths
4 kV basic insulation between all current paths and enclosure
power supply
Name
A1/A2
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 70 mA
US
Typical 1.68W
Impulse current
2 A (Δt = 300 µs Us )
protection circuit
series protection to prevent polarity reversal; suppression diode
input data
digital quantity: sensor circuit (S12,S22)
Input Description
safety-related sensor inputs
Input Quantity
2
input voltage range, "0" signal
< 5V (S12)
0V DC ... 5V DC (S22)
Input current range "0" signal
< 2 mA (S12)
0 mA ... 2 mA (S22)
Impulse current
< 5 mA (the voltage is usually U at S12S ,Δt = 500 µs)
< 5 mA (typically US S22/24 V,Δt = 500 µs)
> -5 mA (typically US S22/0 V,Δt = 500 µs)
filter time
max. 3 ms (at S12 and S22; test pulse width; blanking pulse/dark test)
> 1 s (at S12 and S22; test pulse rate; blanking pulse/dark test)
test pulse width ≤ 1 ms: test pulse rate = 5 x test pulse width
max. 1 ms (at S12 and S22: test pulse width; switching pulse/optical gap test)
> 100 ms (at S12 and S22; test pulse rate; switching pulse/optical gap test)
is disabled unless the test pulse is of safety relevance.
Allowable Total Conductor Resistance
150 Ω
protection circuit
suppression diode
power consumption
< 4 mA (S12 input, the voltage is usually US )
< 4 mA (typically US S22/24 V)
> -15 mA (typically US S22/0 V)
