SSR-4800 Solid State Relays for AC Loads with DC Control Signals – IOThrifty

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SSR-4800 Solid State Relays for AC Loads with DC Control Signals
SSR-4800 Solid State Relays for AC Loads with DC Control Signals
Solid solid state relay with heat sink
Solid solid state relay with heat sink

SSR-4800 Solid State Relays for AC Loads with DC Control Signals

Regular price $15.00 Sale SKU:SSR-4810
3 In stock Ships in 3-5 days, if not in stock

Solid state relays (SSRs) are used for switching resistive and inductive loads and outperform the conventional mechanical relays with great advantages. The life cycle with millions of operations, the high switching speed without mechanical or electrical noise, no dangerous sparks or wearing, and the low power needed for switching make the solid state relays a perfect choice when high control accuracy is fundamental.


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 PART NUMBER DESCRIPTION
SSR-4810 SSR with 10A ac max. load current
SSR-4825 SSR with 25A ac max. load current
SSR-4840 SSR with 40A ac max. load current
SSR-4860 SSR with 60A ac max. load current

 

SPECIFICATIONS

Parameter  SSR-4810,SSR-4825,SSR-4840 SSR 4860
Load voltage 75-480Vrms 40-480Vrms
Load turn-on voltage 1.1 to 1.5 Vrms    1.1 to 1.5 Vrms   
Load leakage current 14 mArms <5 mArms
Load frequency  47 to 70Hz 47 to 63Hz
dv/dt  50 to 200V/μs 300V/μs
Control current 4 to 32Vdc 3 to 32Vdc
Switching time  <10ms  <10ms
Control method Zero cross trigger Zero cross trigger
Isolation 4000Vrms 2000Vrms
Operating temperature -30 to 80°C -40 to 80°C

 

 Heat Dissipation

The SSR generates heat during its conduction. This heat must be dissipated to avoid SSR failure due to over-heating. The nominal SSR load specification assumes the use of a suitable heat sink. Without a heat sink the allowed load current is substantially reduced. The user may calculate the needed heat sink (please see user manual) or use the suggested heat sink. For better heat transfer, a thermally conductive paste must be used between the SSR and the heat sink.       

SSR4810 Heat Dissapation
SSR4825 Heat Dissipation
SSR4840 Heat Dissipation
SSR4860 Heat Dissipation