Square D™ Electromechanical Relays (EMR)
Schneider Electric’s relays are suited for use as logic elements and power-switching output devices
Schneider Electric's square D 8501 K, R, and C relay versions are designed for multi-pole switching applications at 240 V or lower. These relays have industry-standard wiring and pin configurations that allow their use as replacements for many similar relays without wiring or hardware modifications. They’re available in 3 A or 40 A versions.
Square D EMR relays include miniature, power, and universal relays. A wide range of EMR relays are available for most industrial machines including packaging, textile HVAC, automation control panels, and PLC interfaces. Square D relays provide a reliable solution for customers to ensure machine and system performance.
- DPDT latching relay
- AC or DC operation
- Durable open-frame construction
- Complete socket line
- Pilot light options
- Operation blowout magnet for DC switching
- UL-listed, RoHS-compliant, and CSA certified
- Material handling
- Processing
- Lighting control
- HVAC/R
- Industrial applications
- Electric heaters
- Pumps
- Conveyors
Square D™ 8501 Relays
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | 8501RSD43P14V53 | PLUG IN RELAY, TYPE R, MINIATURE | 0 - Immediate | $91.97 | View Details |
![]() | ![]() | 8501RS24V20 | PLUG IN RELAY, TYPE R, MINIATURE | 128 - Immediate | $118.13 | View Details |
![]() | ![]() | 8501RS41P14V14 | PLUG IN RELAY, TYPE R, MINIATURE | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 8501RS43V20 | PLUG IN RELAY, TYPE R, MINIATURE | 1 - Immediate | $87.60 | View Details |
![]() | ![]() | 8501CO8V29 | POWER RELAY, TYPE C, 2.0 HP, 30A | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 8501CO6V08 | POWER RELAY, TYPE C, 2.0 HP, 30A | 4 - Immediate | $109.30 | View Details |
![]() | ![]() | 8501CO7V08 | POWER RELAY, TYPE C, 2 HP, 30A R | 1 - Immediate | $113.67 | View Details |
![]() | ![]() | 8501RS42V24 | PLUG IN RELAY, TYPE R, MINIATURE | 6 - Immediate | $117.01 | View Details |
![]() | ![]() | 8501RSD44P14V53 | PLUG IN RELAY, TYPE R, MINIATURE | 1 - Immediate | $118.13 | View Details |
![]() | ![]() | 8501RS34V14 | PLUG IN RELAY, TYPE R, HERMETICA | 7 - Immediate | $143.49 | View Details |
![]() | ![]() | 8501CDO15V53 | POWER RELAY, TYPE C, 2 HP, 30A R | 6 - Immediate | $116.89 | View Details |
![]() | ![]() | 8501CO16V08 | POWER RELAY, TYPE C, 2 HP, 30A R | 3 - Immediate | $186.25 | View Details |
![]() | ![]() | 8501CDO22V51 | POWER RELAY, TYPE C, 20A RESISTI | 8 - Immediate | $187.22 | View Details |
![]() | ![]() | 8501CO21V20 | POWER RELAY, TYPE C, 20A RESISTI | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | 8501CDO21V53 | POWER RELAY, TYPE C, 20A RESISTI | 3 - Immediate | $240.71 | View Details |
Square D™ Sockets
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | 8501NR34 | PLUG IN RELAY, TYPE N, RELAY SOC | 3 - Immediate | $63.96 | View Details |
![]() | ![]() | 8501NR34B | PLUG IN RELAY, TYPE N, RELAY SOC | 10 - Immediate | $59.50 | View Details |
![]() | ![]() | 8501NR41 | PLUG IN RELAY, TYPE N, RELAY SOC | 3 - Immediate | $63.96 | View Details |
![]() | ![]() | 8501NR41B | PLUG IN RELAY, TYPE N, RELAY SOC | 8 - Immediate | $59.50 | View Details |
![]() | ![]() | 8501NR42 | PLUG IN RELAY, TYPE N, RELAY SOC | 3 - Immediate | $63.96 | View Details |
![]() | ![]() | 8501NR42B | PLUG IN RELAY, TYPE N, RELAY SOC | 10 - Immediate | $59.50 | View Details |
![]() | ![]() | 8501NR43 | PLUG IN RELAY, TYPE N, RELAY SOC | 7 - Immediate | $63.96 | View Details |
![]() | ![]() | 8501NR45 | PLUG IN RELAY, TYPE N, RELAY SOC | 10 - Immediate | $58.66 | View Details |
![]() | ![]() | 8501NR45B | PLUG IN RELAY, TYPE N, RELAY SOC | 4 - Immediate | $54.73 | View Details |
![]() | ![]() | 8501NR51 | PLUG IN RELAY, TYPE N, RELAY SOC | 6 - Immediate | $27.42 | View Details |
![]() | ![]() | 8501NR51B | PLUG IN RELAY, TYPE N, RELAY SOC | 6 - Immediate | $21.90 | View Details |
![]() | ![]() | 8501NR52 | PLUG IN RELAY, TYPE N, RELAY SOC | 1 - Immediate | $25.23 | View Details |
![]() | ![]() | 8501NR52B | PLUG IN RELAY, TYPE N, RELAY SOC | 3 - Immediate | $22.73 | View Details |
![]() | ![]() | 8501NR61 | PLUG IN RELAY, TYPE N, RELAY SOC | 2 - Immediate | $41.23 | View Details |
![]() | ![]() | 8501NR61B | PLUG IN RELAY, TYPE N, RELAY SOC | 6 - Immediate | $33.83 | View Details |
![]() | ![]() | 8501NR62 | PLUG IN RELAY, TYPE N, RELAY SOC | 0 - Immediate | $37.84 | View Details |
![]() | ![]() | 8501NR62B | PLUG IN RELAY, TYPE N, RELAY SOC | 0 - Immediate | $33.84 | View Details |
![]() | ![]() | 8501NR82 | PLUG IN RELAY, TYPE N, RELAY SOC | 5 - Immediate | $45.91 | View Details |
![]() | ![]() | 8501NR82B | PLUG IN RELAY, TYPE N, RELAY SOC | 4 - Immediate | $37.84 | View Details |
Square D™ Accessories
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | 8501NH42 | PLUG IN RELAY, TYPE N, RELAY HOL | 0 - Immediate | $2.05 | View Details |
![]() | ![]() | 8501NH82 | PLUG IN RELAY, TYPE N, RELAY HOL | 0 - Immediate | $2.23 | View Details |
![]() | ![]() | 8501XB20 | RELAY ADDER DECK 600VAC 10AMPS N | 0 - Immediate | $87.64 | View Details |
![]() | ![]() | 8501XB40 | RELAY ADDER DECK 600VAC 10AMPS N | 5 - Immediate | $179.04 | View Details |
![]() | ![]() | 8501XC1 | RELAY CONTACTS 600VAC 10AMPS NEM | 13 - Immediate | $40.70 | View Details |
![]() | ![]() | 8501XC4 | RELAY MASTER CARTRIDGE 600VAC 20 | 10 - Immediate | $100.85 | View Details |
![]() | ![]() | 8501XLV02 | RELAY LATCH ATTACHMENT 120VAC NE | 10 - Immediate | $284.05 | View Details |
![]() | ![]() | 8501XS1 | RELAY TRANSIENT SUPPRESSOR NEMA | 1 - Immediate | $80.68 | View Details |
![]() | ![]() | 8501XTD1 | RELAY PNEUMATIC TIMER ATTACHMENT | 0 - Immediate | $564.72 | View Details |













































