
Single phase relay, Harmony Solid State Modular Relays, 6A, DIN rail mount, random switching, input 4 to 32V DC, output 24 to 280V AC
Pre Assembled, Harmony Solid State Relays, 25A, DIN rail mount, zero voltage switching, input 180...280V AC, output 48...600V AC
Discontinued by Schneider Electric — we can still source the original SSM3A325P7 (new, used or refurbished, subject to availability). Request a quote below.
This product is part of the Harmony Solid State Relays range, an offer of panel mount solid state relays. The 1-phase solid state relay features zero voltage switching. It is an automation relay with a control circuit voltage of 180V to 280V AC and a switching voltage of 10V turn on and 180V turn off. This solid state modular relay operates with an output voltage of 48V to 660V AC. It offers screw terminals of 0.2mm² to 1.3mm², (AWG 24 to AWG 16) for input and 1.3mm² to 5.3mm², (AWG 16 to AWG 10) for output connections. It is an IP20 rated product. Its dimensions are 88mm (width) x 90mm (depth) x 123.8mm (height). It weighs 0.74kg. It is suitable for packaging machines, heating control, injection molding, HVAC, textile machines and medical equipment applications. This product is certified by UL, CSA, EAC and CE marking. It meets IEC 60950-1, CSA C22.2 No 14 and UL 508 standards. It supports symmetrical DIN rail mount. Harmony Solid State Relays are the complete solution for 1 phase and 3 phase, slim, modular DIN rail and panel mount offer. SSR relays offer slim interfaces, modular DIN rail and panel mount relays. A complete, innovative and compact solution for industrial applications.
| Range of product | Harmony Solid State Relays |
| Device short name | SSM3 |
| Product or component type | Modular DIN rail relay |
| Number of channels | 3 |
| Number of phases | 3 phases |
| Output switching mode | Zero voltage switching |
| Mounting support | Symmetrical DIN rail |
| [In] rated current | 25 A |
| Output voltage | 48...600 V AC |
| [Uc] control circuit voltage | 180...280 V AC |
| Tightening torque | 0.6...0.7 N.m for input, 1.36...1.7 N.m for output |
| Connections - terminals | Screw terminals: 0.2...1.3 mm², (AWG 24...AWG 16) for input, Screw terminals: 1.3...5.3 mm², (AWG 16...AWG 10) for output |
| maximum capacitance | 8 pF for input/output |
| Insulation resistance | 1000 MOhm |
| Local signalling | LED (green) for input status |
| Switching voltage | 10 V turn-off, 180 V turn-on |
| input current | 19…24 mA |
| Solid state output type | Zero voltage switching |
| Load current | 0.1…25 A |
| transient overvoltage | 1100 V |
| Surge current | 286 A for 20 ms at 50 Hz, 300 A for 16.6 ms at 60 Hz |
| Maximum voltage drop | <1.35 V on-state |
| Motor power hp | 1 hp 40 °C 240 V AC, 2 hp 40 °C 380 V AC, 3 hp 40 °C 480 V AC |
| Maximum I²t for fusing | 410 A².s for 10 ms at 50 Hz, 374 A².s for 8.3 ms at 60 Hz |
| Maximum leakage current | 0.25 mA off-state |
| DV/dt | 500 V/µs off-state at maximum voltage |
| Response time | 30 ms (turn-off), 20 ms (turn-on) |
| power factor | 0.5 (with maximum load) |
| Overvoltage category | III |
| Width | 90 mm |
| test button | Without test button |
| Net weight | 0.74 kg |
| Dielectric strength | 4 kV AC for input/output, 4 kV AC for input or output to case |
| Pollution degree | 2 |
| Standards | UL 508, IEC 60950-1, CSA C22.2 No 14 |
| Product certifications | CSA, UL, EAC |
| Marking | CSA, CE, EAC, UL |
| IP degree of protection | IP20 |
| Ambient air temperature for operation | -20…60 °C |
| Ambient air temperature for storage | -40…100 °C |
| Package 1 | 1 PCE, 11 cm × 11 cm × 14 cm (L × W × H), 795 g |
| Package 2 | 5 S02, 40 cm × 30 cm × 15 cm (L × W × H), 4.393 kg |
Official documents from Schneider Electric, downloaded directly from the manufacturer.
Yes. Schneider Electric has discontinued the SSM3A325P7, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.
SSM3A325P7 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Yes — mention it when you request a quote for SSM3A325P7 and we'll include express shipping options in our reply.
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for SSM3A325P7, subject to availability and destination.

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