Schneider Electric SSM1A120BD Data Sheet

The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.

This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.

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Product data sheet

Characteristics

SSM1A120BD

solid state relay - DIN rail mount - input
4-32Vdc, output 24-280Vac, 20A

Main

Range of product Zelio Relay

Product or component
type

Device short name SSM1

Number of phases 1 phase

Complementary

Mounting support Symmetrical DIN rail

[In] rated current 20 A

Output voltage 24...280 V AC

Control circuit voltage 4...32 V DC

Contacts type and configuration 1 NO

Tightening torque 1.36...1.7 N.m for output

0.6...0.7 N.m for input

Connections - terminals Screw terminals : 1 x 0.2...1 x 5.3 mm², (AWG 24...AWG 10) for output

Screw terminals : 1 x 0.2...1 x 5.3 mm², (AWG 24...AWG 10) for input

Maximum capacitance <= 8 pF for input/output

Insulation resistance 1000 MOhm at 500 V DC

Local signalling LED green for input status

Switching voltage 1 V DC turn-off

4 V DC turn-on

Input current 8...12 mA

Solid state output type Zero voltage switching

SCR output

Load current 0.15...20 A

Transient overvoltage 600 V

Surge current <= 250 A for 16.6 ms

Voltage drop 1.6 V on-state

Maximum I²t for fusing 260 A².s for 8.3 ms

Leakage current <= 10 mA off-state

DV/Dt 500 V/µs off-state at maximum voltage

Response time 0.5 cycle turn-off

0.5 cycle turn-on

Overvoltage category III

Product weight 0.28 kg

Solid state relay

Dec 1, 2015

1

Environment

Dielectric strength 4 kV AC for input or output to case

Pollution degree 2

Standards UL 508

Product certifications CSA

Marking CE

IP degree of protection IP20

Ambient air temperature for operation -40...80 °C

Ambient air temperature for storage -40...125 °C

4 kV AC for input/output

IEC 60950-1
CSA C22.2 No 14

UL
EAC

CSA
UL
EAC

2