| Interface/Signal | Number of protected lines; | Connection type | SPD name | Product item |
| -20 тХитХЭтХи╨а, 4-20 тХитХЭтХи╨а | 4 | screw terminals | MP 2x2 GDT+24V-Ad-Pg ST | LE-970-027 |
| -20 тХитХЭтХи╨а, 4-20 тХитХЭтХи╨а | 2 | screw terminals | MP 1x2 GDT+24V-Ad-Ad ST | LE-970-020 |
| -20 тХитХЭтХи╨а, 4-20 тХитХЭтХи╨а | 2 | screw terminals | MP RK GDT+24V-Ad-Pg | LE-971-013 |
| -20 тХитХЭтХи╨а, 4-20 тХитХЭтХи╨а | 2 | screw terminals | MP RK 24V-Ad-Pg | LE-971-034 |
| 4-20 тХитХЭтХи╨а | 4 | screw terminals | MP 2x2 GDT+24V-Ad-Ad ST | LE-970-013 |
| 4-20 тХитХЭтХи╨а | 2 | screw terminals | MP 1x2 GDT+24V-Ad-Ad ST | LE-970-020 |
| CAN-Bus | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| CAN-Bus | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| Devise Net | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| Devise Net | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| ELA (Acoustic systems) | 4 | screw terminals | MP 2x2 GDT ST | LE-970-007 |
| ELA (Acoustic systems) | 2 | screw terminals | MP 1x2 GDT ST | LE-970-010 |
| ELA (Acoustic systems) | 2 | screw terminals | MP RK GDT | LE-971-003 |
| ELA (Acoustic systems) | 4 | screw terminals | MP 2x2 GDT+180V-Ad-Pg ST | LE-970-031 |
| ELA (Acoustic systems) | 2 | screw terminals | MP 1x2 GDT+180V-Ad-Pg ST | LE-970-038 |
| ELA (Acoustic systems) | 2 | screw terminals | MP RK GDT+180V-Ad-Pg ST | LE-971-017 |
| ELA (Acoustic systems) | 2 | LSA | DP 1LSA-110 | LE-240-039 |
| ELA (Acoustic systems) | 20 | LSA | DP 10LSA-24V | LE-240-140 |
| Ethernet | 8 | RJ45 | DP RJ45-CAT6-48V-Tr | LE-240-005 |
| Ethernet | 8 | RJ45 | DP RJ45 f/f | LE-240-011 |
| Ethernet | 8 | RJ45 | DP 1xRJ45-PoE-Alu | LE-240-021 |
| Ethernet | 8x8 | RJ45 | DP 8xRJ45-19" | LE-194-050 |
| Ethernet | 8x8 | RJ45 | DP 1x8RJ45-19" | LE-194-013 |
| Ethernet | 16x8 | RJ45 | DP 2x8RJ45-19" | LE-194-023 |
| Ethernet | 24x8 | RJ45 | DP 3x8RJ45-19" | LE-194-033 |
| Ethernet | 32x8 | RJ45 | DP 4x8RJ45-19" | LE-194-043 |
| Ethernet | 40x8 | RJ45 | DP 5x8RJ45-19" | LE-194-053 |
| Ethernet | 48x8 | RJ45 | DP 6x8RJ45-19" | LE-194-063 |
| IEC-Bus (RS 486) | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| IEC-Bus (RS 486) | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| KNX-Bus | 4 | screw terminals | MP 2x2 GDT ST | LE-970-007 |
| KNX-Bus | 2 | screw terminals | MP 1x2 GDT ST | LE-970-010 |
| KNX-Bus | 2 | screw terminals | MP RK GDT | LE-971-003 |
| KNX-Bus | 20 | LSA | TelPro LSA-3EH230F1E-10kA | LE-240-123 |
| LON | ||||
| - TP/XF 78 | 4 | screw terminals | MP 2x2 GDT+5V-Ad-Ad ST | LE-970-011 |
| - TP/XF 78 | 2 | screw terminals | MP 1x2 GDT+5V-Ad-Ad ST | LE-970-018 |
| - TP/XF 78 | 2 | screw terminals | MP RK GDT+5V-Ad-Ad | LE-971-004 |
| - TP/FTT10 тХитХХ TP/LPT10 | 4 | screw terminals | MP 2x2 GDT+48V-Ad-Ad ST | LE-970-015 |
| - TP/FTT10 тХитХХ TP/LPT10 | 2 | screw terminals | MP 1x2 GDT+48V-Ad-Ad ST | LE-970-022 |
| - TP/FTT10 тХитХХ TP/LPT10 | 2 | screw terminals | MP RK GDT+48V-Ad-Ad | LE-971-008 |
| - TP/FTT10 | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| - TP/FTT10 | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| MODBUS | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| MODBUS | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| Procontic SC31 (RS 232) | 2 | screw terminals | MP 2x2 GDT+12V-Ad-Pg ST | LE-970-026 |
| PROFIBUS-DP/FMS | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| PROFIBUS-DP/FMS | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| PROFIBUS-PA | 4 | screw terminals | MP 2x2 GDT+24V-Ad-Ad ST | LE-970-013 |
| PROFIBUS-PA | 2 | screw terminals | MP 1x2 GDT+24V-Ad-Ad ST | LE-970-020 |
| PROFIBUS-PA | 2 | screw terminals | MP RK GDT+24V-Ad-Ad | LE-971-006 |
| PROFIBUS-PA | 2 | LSA | DP 1LSA-C24FS-PTC | LE-240-066 |
| PROFIBUS SIMATIC NET | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| PROFIBUS SIMATIC NET | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| RS 485 | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| RS 485 | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
| RS 485 | 2 | LSA | DP 1LSA-C24FS-PTC | LE-240-066 |
| RS 422, V11 | 4 | screw terminals | MP 2x2 5V-HF ST | LE-971-050 |
| RS 422, V11 | 2 | screw terminals | MP 1x2 5V-HF ST | LE-971-052 |
|
Temperature measurement PT100, PT1000, Ni1000, NTC, PTC |
4 | screw terminals | MP 2x2 GDT+5V-Ad-Pg ST | LE-970-025 |
|
Temperature measurement PT100, PT1000, Ni1000, NTC, PTC |
2 | screw terminals | MP 1x2 GDT+5V-Ad-Pg ST | LE-970-032 |
|
Temperature measurement PT100, PT1000, Ni1000, NTC, PTC |
2 | screw terminals | MP RK GDT+5V-Ad-Pg | LE-971-011 |
| TTY 4-20 mA | 4 | screw terminals | MP 2x2 GDT+24V-Ad-Pg ST | LE-970-027 |
| TTY 4-20 mA | 2 | screw terminals | MP 1x2 GDT+24V-Ad-Pg ST | LE-970-034 |
| TTY 4-20 mA | 2 | screw terminals | MP RK GDT+24V-Ad-Pg | LE-971-013 |
| TTY 4-20 mA | 2 | screw terminals | MP RK 24V-Ad-Pg | LE-971-034 |
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