SR2B121BD TELEMECANIQUE, SR2B121BD Datasheet - Page 2

• 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

Description
4
5
5
Compact smart relays
Without display - 10, 12 and 20 I/O
Modular smart relays
I/O extension modules
6 I/O
1
2
1
3
1
2
3
5
1
7
Zelio Logic smart relays
Compact and modular smart relays
4
5 5
5
With display - 10, 12 and 20 I/O
10 and 26 I/O
10 and 14 I/O
1
2
1
3
1
2
3
4
5
6
1
7
1
2
3
4
5
6
1
7
Compact smart relays have
the following on the front
panel:
1
2
3
4
5
6
7
Modular smart relays have
the following on the front
panel:
1
2
3
4
5
6
7
I/O extension modules have
the following on the front
panel:
1
2
3
4
5
Two retractable fixing lugs
Two power supply
terminals
Terminals for connection of
the inputs
Backlit LCD display with 4
lines of 18 characters
Slot for a memory cartridge
and connection to a PC
6 buttons for programming
and parameter entry
Terminals for connection of
the outputs
Two retractable fixing lugs
Two power supply
terminals
Terminals for connection of
the inputs
Backlit LCD display with 4
lines of 18 characters
Slot for a memory cartridge
and connection to a PC
6 buttons for programming
and parameter entry
Terminals for connection of
the outputs
Two retractable fixing lugs
Terminals for connection of
the inputs
Terminals for connection of
the outputs
A connector for connection
to the smart relay
(powered by the smart
relay)
Locating pegs
14102-EN_Ver1.0.fm/3
0