SR3XT61B

Reverse polarity protection
Simple ladder programming, adapted for non-specialists
Discovery package, coming with Zelio Soft programming software: the simplest way to learn and use this relay
Built-in EEPROM flash memory for data backup up to 10 years: easy-to-recover after a power shortage or incident
More I/O than SR2 model, for larger applications

Main

Range of product Zelio Logic
Product or component type Discrete I/O extension module

Complementary

Number or control scheme lines 120 with ladder programming
Cycle time 6…90 ms
Backup time 10 years at 25 °C
Clock drift 12 min/year at 0…55 °C
Checks Program memory on each power up
[Us] rated supply voltage 24 V AC
Supply voltage limits 20.4…28.8 V
Supply frequency 50/60 Hz
Reverse polarity protection With
Discrete input number 4
Discrete input voltage 24 V AC
Discrete input current 4.4 mA
Discrete input frequency 47…53 Hz
57…63 Hz
Voltage state 1 guaranteed >= 14 V for discrete input
Voltage state 0 guaranteed <= 5 V for discrete input
Current state 1 guaranteed >= 2 mA (discrete input)
Current state 0 guaranteed <= 0.5 mA (discrete input)
Input impedance 4.6 kOhm for discrete input
Number of outputs 2 relay
Output voltage limits 5…30 V DC (relay output)
24…250 V AC
Contacts type and composition NO for relay output
Output thermal current 8 A for all 2 outputs for relay output
Electrical durability AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to EN/IEC 60947-5-1
AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1
DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to EN/IEC 60947-5-1
DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to EN/IEC 60947-5-1
Switching capacity in mA >= 10 mA at 12 V (relay output)
Operating rate in Hz 0.1 Hz (at Ie) for relay output
10 Hz (no load) for relay output
Mechanical durability 10000000 cycles for relay output
[Uimp] rated impulse withstand voltage 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1
Response time 50 ms with ladder programming (from state 0 to state 1) for discrete input
50 ms with ladder programming (from state 1 to state 0) for discrete input
50…255 ms with FBD programming (from state 0 to state 1) for discrete input
50…255 ms with FBD programming (from state 1 to state 0) for discrete input
10 ms (from state 0 to state 1) for relay output
5 ms (from state 1 to state 0) for relay output
Connections – terminals Screw terminals, 1 x 0.25…1 x 2.5 mm² (AWG 24…AWG 14) flexible with cable end
Screw terminals, 2 x 0.25…2 x 0.75 mm² (AWG 24…AWG 18) flexible with cable end
Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 25…AWG 14) semi-solid
Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 25…AWG 14) solid
Screw terminals, 2 x 0.2…2 x 1.5 mm² (AWG 24…AWG 16) solid
Tightening torque 0.5 N.m
Overvoltage category III conforming to EN/IEC 60664-1
Net weight 0.125 kg

Environment

Product certifications CSA
GL
GOST
UL
C-Tick
Standards EN/IEC 61000-4-12
EN/IEC 61000-4-6 level 3
EN/IEC 61000-4-3
EN/IEC 60068-2-27 Ea
EN/IEC 61000-4-4 level 3
EN/IEC 61000-4-11
EN/IEC 61000-4-5
EN/IEC 61000-4-2 level 3
EN/IEC 60068-2-6 Fc
IP degree of protection IP20 (terminal block) conforming to IEC 60529
IP40 (front panel) conforming to IEC 60529
Environmental characteristic EMC directive conforming to EN/IEC 61000-6-2
EMC directive conforming to EN/IEC 61000-6-3
EMC directive conforming to EN/IEC 61000-6-4
EMC directive conforming to EN/IEC 61131-2 zone B
Low voltage directive conforming to EN/IEC 61131-2
Disturbance radiated/conducted Class B conforming to EN 55022-11 group 1
Pollution degree 2 conforming to EN/IEC 61131-2
Ambient air temperature for operation -20…40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2
-20…55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2
Ambient air temperature for storage -40…70 °C
Operating altitude 2000 m
Maximum altitude transport 3048 m
Relative humidity 95 % without condensation or dripping water

Packing Units

Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.0 cm
Package 1 Width 6.5 cm
Package 1 Length 11.0 cm
Package 1 Weight 118.0 g
Unit Type of Package 2 S03
Number of Units in Package 2 48
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 6.276 kg