Von Duprin, 900-FA Plug-in Relay Board to Provide an Interface with Fire Systems, Board Only

$79.68

SDC, UR-1 Universal Controller Input/Output Board, Two Relays

$90.30

Von Duprin, 900-4RL Distribution Board, 4 Relay Logic Board

$496.70

Altronix, ACM4 Access Power Controller, 4 Fused Relay Outputs, FAI, Board

$94.80

Von Duprin, PS902-2RS Power Supply 2amp 12/24 with 2 Relay Distribution Board

$543.65

Rosslare Security, PS-C25TB-U Access Control Power Supply with Secure Relay

$270.87

Altronix, ACM8 Access Power Controller, 8 Fused Relay Outputs, FAI, Board

$122.34

Von Duprin, PS902-4RL Power Supply w/ 4 Relay Board Logic Controller 12/24VDC

$921.30

Altronix, RB7 Ultra Sensitive Relay Module, 7 isolated outputs

$115.41

Von Duprin, 900-2RS Distribution Board, 2 Relay output

$220.78

Securitron RB-4 Relay Board

$132.09

Altronix RBSN Relay Module

$16.27

Altronix RBR1224 Electronic Toggle Ratchet Relay

$33.67

Altronix RB30 Relay Module, 12/24VDC Operation at 95mA Draw, 30A/28VDC, 120VAC or 277VAC SPDT Contac

$26.62

433Mhz Long Range Receiver 2 Relays 433RECTSMINI2OUT

$73.50