SR2B121BD TELEMECANIQUE, SR2B121BD Datasheet - Page 10

• Manufacturer Part Number: SR2B121BD
• Description: RELAY, ZELIO, 24VDC, 8 DI/4 RO
• Manufacturer: TELEMECANIQUE

Specifications of SR2B121BD

• No. Of Analogue Inputs: 4
• No. Of Digital Inputs: 4
• No. Of Digital Outputs: 4
• Approval Bodies: CSA, UL
• External Depth: 59.5mm
• External Length / Height: 90mm
• External Width: 72mm
• Brand/series: Zelio
• Clock: Yes
• Dimensions: 71.2 × 59.5 × 107.6 mm
• Display: Yes
• Function: Programmable
• Number Of Inputs And Outputs: 12
• Number Of Outputs: 4 Relay
• Number Of Pins: 12
• Relay Type: Solid State
• Voltage, Control: 24 VDC
• Inputs: 24 VDC
• Outputs: 8 Amp, 250 VACFeatures
• For Use With: Simple

Curves
(continued)
Zelio Logic smart relays
Compact and modular smart relays
(1) AC-12: switching resistive loads and photo-coupler isolated solid state loads, cos ³ 0.9.
(2) AC-14: switching small electromagnetic loads whose power drawn with the electromagnet
(3) AC-15: switching electromagnetic loads whose power drawn with the electromagnet closed is
Electrical durability of relay outputs
(in millions of operating cycles, conforming to IEC 60947-5-1)
a.c. loads
AC-12 (1)
AC-14 (2)
AC-15 (3)
closed is £ 72 VA, making: cos = 0.3, breaking: cos = 0.3.
> 72 VA, making: cos = 0.7, breaking: cos = 0.4.
1,0
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
0,1
0,0
2,5
2,0
1,5
1,0
0,5
0,0
3,0
2,5
2,0
1,5
1,0
0,5
0,0
0,5
0
0
0,2
0,5
0,7
110 V
230 V
1,0
0,4
24 V
0,9
48 V
0,6
1,5
48 V
110 V
0,8
1,1
2,0
110 V
24 V
1,0
2,5
230 V
1,3
230 V
1,2
3,0
1,5
1,4
3,5
(continued)
1,6
1,7
4,0
48 V
1,8
4,5
1,9
2
14102-EN_Ver1.0.fm/11
5
Current (A)
Current (A)
Current (A)
0