SSM3A325BDR Solid State Relay SSR Harmony by Schneider Electric

SSM3A325BDR Datasheet (PDF)

*Don’t worry about the model # in photo*



SSM3A325BDR Solid State Relay SSR Harmony by Schneider Electric

SSM3A325BDR Datasheet (PDF)


range of product Harmony Solid State Relays
product or component type Solid state relay up to 30 A
device short name SSM3
Number of channels 3
Number of phases 3 phases
output switching mode Random voltage switching


mounting support Symmetrical DIN rail
[In] rated current 25 A
output voltage 48…600 V AC
[Uc] control circuit voltage 4…32 V DC
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 4 V DC turn-on
1 V DC turn-off
input current 22…28 mA
solid state output type Random 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 0.5 cycle (turn-off)
0.02 ms (turn-on)
power factor 0.5 (with maximum load)
overvoltage category III
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 UL
marking CSA
IP degree of protection IP20
ambient air temperature for operation -20…80 °C
ambient air temperature for storage -40…100 °C



(1) Side view

(2) Top view

(3) Front view

(A) Mounting hole

(B) Mounting hole / slot

Additional information

Weight 5 lbs
Dimensions 10 × 7 × 8 in

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