
Single phase relay, Harmony Solid State Modular Relays, 6A, DIN rail mount, zero voltage switching, input 4 to 32V DC, output 48 to 600V AC
Single phase relay, Harmony Solid State Modular Relays, 12A, DIN rail mount, DC switching, input 4 to 32V DC, output 1 to 100V DC
This Harmony SSM solid state modular DIN rail single-phase relay is rated 12A, is controlled with a 4V to 32V DC input, has a rated load voltage of 1V to 100V DC with DC switching. It also has a visual indicator showing the status of its input. Built-in heatsink for maximum performance and less spare parts to manage. It is also silent and reliable thanks to the absence of moving contacts. Its clear schematic on the side of the socket enables easier wiring and maintenance.
| Range of product | Harmony Solid State Relays |
| Device short name | SSM |
| Product or component type | Modular DIN rail relay |
| Number of channels | 1 |
| Number of phases | 1 phase |
| Output switching mode | DC switching |
| Product configuration type | Relay configuration |
| Mounting support | Symmetrical DIN rail |
| [In] rated current | 12 A |
| Output voltage | 1...100 V DC |
| [Uc] control circuit voltage | 4...32 V DC |
| Tightening torque | 0.5...0.8 N.m for input, 0.5...0.8 N.m for output |
| Connections - terminals | Screw terminals: 1 x 0.3...1 x 1.5 mm², (AWG 22...AWG 16) for input, Screw terminals: 1 x 0.3...1 x 2.5 mm², (AWG 22...AWG 14) for output |
| maximum capacitance | 10 pF for input/output |
| Insulation resistance | 1000 MOhm at 500 V DC |
| Local signalling | LED (green) for input status |
| Minimum switching voltage | 4 V DC turn-on |
| Maximum switching voltage | 1 V DC turn-off |
| input current | 8…11 mA |
| Solid state output type | DC switching, Mosfet output |
| Load current | 0.0025…12 A |
| transient overvoltage | 100 V |
| Surge current | 100 A for 10 ms |
| Maximum voltage drop | <0.5 V on-state |
| Resistance | 0.045 Ohm on-state |
| Maximum leakage current | 0.1 mA off-state |
| Response time | 1.7 ms (turn-on), 0.3 ms (turn-off) |
| Overvoltage category | III |
| Width | 18 mm |
| Height | 90.3 mm |
| test button | Without test button |
| Depth | 83.7 mm |
| Net weight | 0.09 kg |
| Flame retardance | V0 conforming to UL 94 |
| Dielectric strength | 4 kV DC for input/output, 4 kV DC for input or output to case |
| Pollution degree | 2 |
| Standards | IEC 60950-1, IEC 62314, IEC 61000 |
| Product certifications | CSA, UL |
| Marking | CE |
| IP degree of protection | IP20 |
| Ambient air temperature for operation | -30…80 °C |
| Ambient air temperature for storage | -30…100 °C |
| Package 1 | 1 PCE, 9.5 cm × 9 cm × 2 cm (L × W × H), 91 g |
| Package 2 | 72 S02, 40 cm × 30 cm × 15 cm (L × W × H), 7.012 kg |
Official documents from Schneider Electric, downloaded directly from the manufacturer.
SSM1D312BD is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
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