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Manufacturer............................... JOKAB SAFETY
Ordering Data...................... RT7A delay 0 - 1.5 s
RT7B delay 0 - 3.0 s
Color.............................................. black and beige
Weight...... 405 g (24 VDC), 550 g (24-230 VAC)
Supply Voltage (A1-A2)........ 24 VDC +15/-20%,
24/48/115/230 VAC, +/-15%, 50-60 Hz
Power Consumption
DC supply, nominal voltage........................ 4.6 W
AC supply, nominal voltage........................ 8.7 VA
Connections S13............................... Short-circuit
protected voltage output,
70mA +/- 10% current limitation.
Is used for the inputs S14, S32 and S44
Connections S53............................... Short-circuit
protected voltage output,
internal automatic fuse, max 270 mA.
Is used for the reset and autoreset
inputs X1 and X4.
Connections S23.... 0Vconnection for input S24
Safety Inputs
S14............................................... +24 VDC, 20 mA
S24.................................................... 0 VDC, 20 mA
S34............................................... +24 VDC, 20 mA
S44............................................... +24 VDC, 25 mA
Reset input X1
Supply for reset input.............................. +24 VDC
Reset current... 600mA current pulse at closure
then 30mA
Minimum contact
closure time for reset............................. <100 ms
Maximum external connection cable
resistance at nominal voltage for
S14, S24, S34......................................... 300 Ohm
S44, X1..................................................... 150 Ohm
Delay Time Options
RT7A....................................... 0; 0.5; 1.0; 1.5 secs
RT7B....................................... 0; 1.0; 2.0; 3.0 secs
Relay Outputs
NO direct (relays 1/2)........................................... 2
NO direct or delayed (relays 3/4)....................... 2
NC (relays 1/2)...................................................... 1
Maximum switching capacity res. load
Relays 1/2 AC..................... 6A/250 VAC/1500 VA
DC......................... 6A/24 VDC/150 W
Relays 3/4 AC..................... 6A/250 VAC/1380 VA
DC......................... 6A/24 VDC/138 W
Minimum load (Relays 1/2/3/4)........ 10mA/10 V
(if load on contact has not exceeded 100 mA)
Contact material....................... AgSnO2+Au flash
Mechanical life............................ >107 operations
Response Time
At Power on...................................... <90/<140 ms
When activating (input-output)................ <20 ms
When deactivating (input-output)........... <20 ms
At Power Loss........................................... <80 ms
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Transistor Outputs................... Short-circuit proof
External supply to Y13..................... +5 to +30 VDC
Y14....................................... Indicates that the input
conditions have been fulfilled
Y24..................................... Indicates that the output
relays 1/2 are activated
Y34.......................... Indicates that the delay output
relays 3/4 are activated
Maximum load of Y14, Y24, Y34..... 15 mA /output
Maximum voltage drop at maximum load..... 2.4 V
LED Indication
On  .................Supply voltage OK , the LED is on
Flashing light in case of
under-voltage or overload
In 1 In 2 .....................Indicates that the input
conditions are fulfilled
 1 2 .............Indicates that the output
relays 1/2 are activated
...........................Indicates that the delay output
relays 3/4 are activated
Mounting
Rail.................................................... 35 mm DIN rail
Operating Temperature Range
24 VDC....................................... -10° C to + 55° C
24 - 230 VAC............................. -10° C to + 45° C
Connection Blocks (detachable)
Maximum screw torque................................... 1 Nm
Maximum connection area
Solid conductors....... 1x4mm2/2x1.5mm2/12AWG
Conductor with
socket contact.......................... 1x2.5mm2/2x1mm2
Air and creep distance............................. 4kV/2 IEC 60664-1
Protection Class
Enclosure....................................... IP 40 IEC 60529
Connection blocks........................ IP 20 IEC 60529
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