ABB RB and OB terminal relays provide compact interface solutions between control systems and field devices. They are designed for reliable signal switching and isolation in control panels, PLC interfaces and industrial automation systems
RB / OB Terminal Relays
Key Features
- Compact terminal-style design
- Reliable signal switching
- Electrical isolation
- Space-saving installation
- Suitable for PLC interfaces
- Easy wiring and maintenance
Popular Models
RB121A
RB122A
RB121V
RB122V
OB121A
OB122A
| Model | Vendor Code |
|---|---|
| RB44 | 7TAI029690R0013 |
| RB63 | 7TCI029670R0181 |
| RB713 | 7TAI029850R0009 |
| RB853 | 7TAI029850R0010 |
| RB877 | 7TAI029490R0002 |
| RB867 | 7TAI029500R0018 |
| RB873 | 7TAI029850R0016 |
| RB717 | 7TAI029500R0016 |
| RB864 | 7TAI029860R0038 |
| RB250 | 7TAI029730R0001 |
| RB863 | 7TAI029850R0013 |
| RB714 | 7TAI029860R0032 |
| RB257 | 7TAI029730R0003 |
| RB4-TB | 7TAI029850R0008 |
| RB2257 | 7TAI029500R0013 |
| RB14-6 | 7TAI029810R0012 |
| RB2213 | 7TAI029850R0005 |
| RB14-8 | 7TAI029810R0014 |
| RB2237 | 7TAI029500R0012 |
| RB2233 | 7TAI029850R0006 |
| RB1123 | 7TAI029860R0021 |
| RB1153 | 7TAI029860R0022 |
| RBC797 | 7TAI029510R0040 |
| RBC717 | 7TAI029510R0037 |
| RB2207 | 7TAI029490R0001 |
| RB2573 | 7TAI029730R0004 |
| RB853U | 7TAI029850R0011 |
| RB2577F | 7TAI029730R0005 |
| RB14-8X | 7TAI029820R0029 |
| RB25177 | 7TAI029730R0002 |
| RB14-38 | 7TAI029820R0022 |
| RB14-6F | 7TAI029810R0013 |
| RB14-10 | 7TAI029810R0009 |
| RB14-6X | 7TAI029830R0106 |
| RB14-14 | 7TAI029810R0011 |
| RB-JB10 | 1SVR406570R0000 |
| RB-JB20 | 1SVR406580R0000 |
| RB220-S | 7TFO000002R0479 |
| RB203-S | 7TFO000002R0467 |
| RB210-S | 7TFO000002R0471 |
| RB213-S | 7TFO000002R0473 |
| RB215-S | 7TFO000002R0475 |
| RB216-S | 7TFO000002R0477 |
| RB225-S | 7TFO000002R0481 |
| RB226-S | 7TFO000002R0483 |
| RB235-S | 7TFO000002R0485 |
| RB236-S | 7TFO000002R0487 |
| RB326-S | 7TFO000002R0499 |
| RB335-S | 7TFO000002R0501 |
| RB336-S | 7TFO000002R0503 |
| RB305-S | 7TFO000002R0489 |
| RB310-S | 7TFO000002R0491 |
| RB315-S | 7TFO000002R0493 |
| RB320-S | 7TFO000002R0495 |
| RB325-S | 7TFO000002R0497 |
| RB14-14X | 7TAI029820R0021 |
| RB14-10X | 7TAI029820R0018 |
| RB14-516 | 7TAI029820R0025 |
| RB14-14F | 7TAI029820R0020 |
| RB717-200 | 7TAI029510R0025 |
| RB877-200 | 7TAI029500R0019 |
| RB867-200 | 7TAI029510R0031 |
| RB14-250F | 7TAI029690R0012 |
| RB857-200 | 7TAI029510R0028 |
| RB14-47PT | 7TAI029820R0024 |
| RB14-250A | 7TAI029690R0011 |
| RB2207-200 | 7TAI029510R0018 |
| RB2257-200 | 7TAI029510R0022 |
| RBB217-200 | 7TAI029500R0021 |
| RB205-FU-S | 7TFO000002R0469 |
| RB121P-5VDC | 1SNA645034R2300 |
| RB121-24VUC | 1SNA645001R0300 |
| RB121-24VDC | 1SNA645071R0000 |
| RB111-24VUC | 1SNA645014R2700 |
| RB122G-24VUC | 1SNA645012R2500 |
| RB121P-12VDC | 1SNA645035R2400 |
| RBR121P-5VDC | 1SNA645534R2500 |
| RBR121-24VUC | 1SNA645501R0500 |
| RBR111-24VUC | 1SNA645514R2100 |
| RB121G-24VUC | 1SNA645005R0700 |
| RB121-115VUC | 1SNA645003R0500 |
| RB111-230VUC | 1SNA645017R2200 |
| RB111R-24VUC | 1SNA645018R0300 |
| RB121-230VUC | 1SNA645004R0400 |
| RB101R-24VUC | 1SNA645019R0400 |
| RB111-115VUC | 1SNA645016R2100 |
| RB122G-230VUC | 1SNA645013R2600 |
| RBR121-230VUC | 1SNA645504R0000 |
| RB122G-115VUC | 1SNA645041R0200 |
| RB121R-230VUC | 1SNA645011R2400 |
| RBR121G-24VUC | 1SNA645505R0100 |
| RBR121-115VUC | 1SNA645503R0700 |
| RBR101R-24VUC | 1SNA645519R0600 |
| RBR121P-12VDC | 1SNA645535R2600 |
| RBR111R-24VUC | 1SNA645518R0500 |
| RBR122G-24VUC | 1SNA645512R2700 |
| RB121R-115VUC | 1SNA645046R0700 |
| RB121G-115VUC | 1SNA645007R0100 |
| RB121G-230VUC | 1SNA645008R1200 |
| RBR122G-230VUC | 1SNA645513R2000 |
| RBR121G-115VUC | 1SNA645507R0300 |
| RBR121G-230VUC | 1SNA645508R1400 |
| RBR122G-115VUC | 1SNA645541R0400 |
| RB121-48-60VUC | 1SNA645002R0400 |
| RBR121R-230VUC | 1SNA645511R2600 |
| OBOC2000-24VDC | 1SNA645051R0400 |
| OBOA2000-24VDC | 1SNA645029R0600 |
| OBIC0100-24VDC | 1SNA645021R2600 |
| OBOA1000-24VDC | 1SNA645027R2400 |
| OBOC2000-24VUC | 1SNA645025R2200 |
| OBOC5000-24VDC | 1SNA645024R2100 |
| RB121-60-230VUC | 1SNA645020R0100 |
| RBR121-48-60VUC | 1SNA645502R0600 |
| RB122G-48-60VUC | 1SNA645040R1500 |
| RB121G-48-60VUC | 1SNA645006R0000 |
| OBROC2000-24VDC | 1SNA645551R0600 |
| OBROA1000-24VDC | 1SNA645527R2600 |
| OBROA2000-24VDC | 1SNA645529R0000 |
| OBOA1000-230VUC | 1SNA645028R0500 |
| OBROC2000-24VUC | 1SNA645525R2400 |
| OBOA1000-115VUC | 1SNA645062R0700 |
| OBOC5000-115VUC | 1SNA645058R1300 |
| OBOC2000-115VUC | 1SNA645054R0700 |
| OBROC5000-24VDC | 1SNA645524R2300 |
| OBRIC0100-24VDC | 1SNA645521R2000 |
| OBOC2000-230VUC | 1SNA645026R2300 |
| RBR121G-48-60VUC | 1SNA645506R0200 |
| RBR122G-48-60VUC | 1SNA645540R1700 |
| OBOC2000-5-12VDC | 1SNA645050R1700 |
| OBROC2000-230VUC | 1SNA645526R2500 |
| OBROC5000-230VUC | 1SNA645559R1600 |
| OBIC0100-5-12VDC | 1SNA645047R0000 |
| OBOC2000-48-60VUC | 1SNA645053R0600 |
| OBROC2000-5-12VDC | 1SNA645550R1100 |
| OBRIC0100-5-12VDC | 1SNA645547R0200 |
| OBROC2000-48-60VUC | 1SNA645553R0000 |
| OBRIC0100-48-60VUC | 1SNA645549R1400 |
| OBIC0100-115-230 V UC | 1SNA645022R2700 |
| OBRIC0100-115-230 V UC | 1SNA645522R2100 |