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Schneider Electric SSP1A4125M7

Schneider Electric SSP1A4125M7

MPNSSP1A4125M7
Obsolete

Solid state relay, Harmony, 125A, panel mount, zero voltage switching, input 90…280V AC, output 48…660V AC

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SSP1A4125M7 key specifications
ParameterValue
Range of productHarmony Solid State Relays
Co-ordination typeType 1 - 80 A miniature circuit breaker (MCB) B Type 2 - 63 A miniature circuit breaker (MCB) B
Solid state output typeZero voltage switching SCR output
Product or component typePanel mount relay
Output voltage48...660 V AC
Maximum voltage drop<1.15 V on-state
Maximum switching voltage10 V AC turn-off
Minimum switching voltage90 V AC turn-on
Coil voltage90...280 V AC
[Uimp] rated impulse withstand voltage6 kV output to case 6 kV input to output
Load current0.15...125 A
Input current5...10 mA

All specifications

SSP1A4125M7 additional specifications
ParameterValue
Surge current1750 A 16.6 ms
Line rated current125 A
Maximum leakage current1 mA off-state
Power factor0.5 (with maximum load)
Phases1 phase
IP degree of protectionIP20
Mounting supportPanel
Connections - terminalsScrew terminals 0.2...3.3 mm², AWG 24...AWG 12) with cable end input Screw terminals 0.5...5.26 mm², AWG 20...AWG 10) with cable end output Screw terminals 0.2...3.3 mm², AWG 24...AWG 12) without cable end input Screw terminals 0.5...8.26 mm², AWG 20...AWG 8) without cable end output Forked type tag connectors 9.2 x 4 mm input Ring lugs 9.2 x 4 mm input Forked type tag connectors 11.7 x 4.5 mm output Ring lugs 11.7 x 4.5 mm output
Response time30 ms (turn-off) 25 ms (turn-on)
Pollution degree2
StandardsIEC 60950-1 IEC 62314 UL 508 CSA C22.2 No 14-13
DV (dt)500 V/µs off-state at maximum voltage
MarkingUL CE EAC CSA
CategoryUS10CP222375
Test buttonWithout test button
LED indicatorLED, green input
Device short nameSSP1
Tightening torque1.5...1.7 N.m for input 2...2.2 N.m for output
Thermal resistance0.22 °C/W junction to case
Device presentationComplete product
Dielectric strength4 kV AC for input/output 4 kV AC for input or output to case
Maximum capacitance8 pF for input/output
Overvoltage categoryIII
Insulation resistance1000 MOhm at 500 V DC
Output switching modeZero voltage switching
Transient overvoltage1200 V
Maximum i2t for fusing12709 A².s for 8.33 ms at 60 Hz 13950 A².s for 10 ms at 50 Hz
Motor controller rating2 hp 120 V AC 5 hp 240 V AC 10 hp 480 V AC
Safety reliability dataMTTFd = 1875.9 years B10d = 1731395
Ambient air temperature for storage-40...257 °F (-40...125 °C)
Ambient air temperature for operation-40...176 °F (-40...80 °C)
MPN
SSP1A4125M7