RS1A40D40E

SSR-INDUSTRIAL MT. SSR ZS 400V 40A

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: CARLO GAVAZZI / PARTNER STOCK
Product type:
SVHC: No SVHC (07-Nov-2024)
Product Range: RS1A Series

Delivery and price
Units per pack	6
Price	58.51 €
Current stock	10+
Lead time	30 days

Datasheet

## **Solid State Relays Industrial, 1-Phase ZS w. LED Type RS 25E, RS 40E** 

- **Zero switching AC Solid State Relay** 

- **LED indication** 

- **Clip-on IP 20 protection cover** 

- **Self-lifting terminals** 

- **Housing free of moulding mass** 

- **AC or DC control** 

- **Operational ratings Up to 40 AACrms and 480 VAC** 

- **Blocking voltage: Up to 800 Vp** 

- **Opto-insulation: > 4000 VACrms** 

- **Built-in varistor** 

**Product De scri tion p** 

**Orderin Ke g y RS 1 A 40 D 25 E** 

The zero switching relay with the current crosses zero. The **Solid State Relay** triac output is an inexpenLED indicates the status of **Number of poles** sive solution for resistive the control input. The clip-on **Switching mode** ~~a~~ loads. The zero switching cover is securing touch pro- **Rated operational voltage** relay switches ON when the tection to IP 20. **Control voltage** sinusoidal voltage crosses **Rated operational current** zero and switches OFF when **Enhanced** 

## **T e Selection yp** 

**==> picture [472 x 48] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||
|---|---|---|---|
|Switching mode|Rated operational|Rated operational|Control voltage|
|voltage|current|
|A: Zero Switching|40: 400 VACrms|25:  25 AACrms|D: 3 to 32 VDC|
|48: 480 VACrms|40:  40 AACrms|A: 80 to 250 VAC|

**----- End of picture text -----**<br>


## **Housin S ecifications g p** 

**==> picture [210 x 147] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Weight|Approx. 100 g|
|Housing material|Noryl GFN 1, black|
|Baseplate|Aluminium|
|Potting compound|None|
|Relay|
|Mounting screws|M5|
|Mounting torque|1.5-2.0 Nm|
|Control terminal|
|Mounting screws|M3 x 9|
|Mounting torque|0.5 Nm|
|Power terminal|
|Mounting screws|M5 x 9|
|Mounting torque|2.4 Nm|

**----- End of picture text -----**<br>


## **Isolation** 

**==> picture [200 x 40] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Rated isolation voltage|
|Input to output|≥ 4000 VACrms|
|Input to case|≥ 4000 VACrms|
|Output to case|≥ 2500 VACrms|

**----- End of picture text -----**<br>


## **Thermal S ecifications p** 

**==> picture [213 x 35] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Operating temperature|-20° to 70°C|
|Storage temperature|-40° to 100°C|
|Relative Humidity|< 95% non-condensing|

**----- End of picture text -----**<br>


## **Selection Guide** 

**==> picture [407 x 74] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||
|---|---|---|---|---|
|Rated opera-|Blocking  Control|Rated op er a tion al current|
|tional voltage|voltage|voltage|25 A|40 A|
|400 VACrms|600 Vp|3 - 32 VDC|RS1A40D25E|RS1A40D40E|
|80-250 VAC|RS1A40A25E|RS1A40A40E|
|480 VACrms|800 Vp|3 - 32 VDC|RS1A48D25E|RS1A48D40E|
|80-250 VAC|RS1A48A25E|RS1A48A40E|

**----- End of picture text -----**<br>


**1** 

Specifications are subject to change without notice (06.02.2019) 

**RS 25E, RS 40E** 

## **General S ec i fi ca tions p** 

||**RS1A40...E**||**RS1A48...E**|
|---|---|---|---|
|**Operational voltage range**|24 - 440 VACrms||24 - 528 VACrms|
|**Blocking voltage**|600 Vp||800 Vp|
|**Zero voltage turn-on**|≤15 V||≤15 V|
|**Operational frequnecy range**|45 to 65 Hz||45 to 65 Hz|
|**Power factor**|> 0.95 @ 400 VACrms||> 0.95 @ 480 VACrms|
|**CE-Marking**|Yes||Yes|
|**Approvals**|UR, cUR, EAC||UR, cUR, EAC|
|**Pollution degree**|2||2|



## **In ut S ecifications p p** 

||**RS1A..D..E**||**RS1A..A..E**|
|---|---|---|---|
|**Control voltage**|3 - 32 VDC||80 - 250 VAC|
|**Pick-up voltage**|3 VDC||70 VAC|
|**Reverse voltage**|≤32 VDC||-|
|**Drop out voltage**|1.2 VDC||15 VAC|
|**Input Current @ max input voltage**|≤13 mA||≤10 mA|
|**Response timepick up**|≤1/2 cycle||≤1 cycle|
|**Response time drop-out**|≤1/2 cycle||≤2 cycle|



## **Out ut S ecifications p p** 

||**RS1A...25E**||**RS1A...40E**|
|---|---|---|---|
|**Rated operational current**||||
|AC51 @ Ta=25°C|25 Arms||40 Arms|
|**Min. operational current**|250 mArms||400 mArms|
|**Non-rep. surge current t=20 ms**|175 Ap||280 Ap|
|**Off-state leakage current @**||||
|**rated voltage and frequency**|< 2 mArms||< 2 mArms|
|**I2t for fusing t=10 ms**|≤215 A<br>2s||≤560 A<br>2s|
|**On-state voltage drop @ rated current**|≤1.6 Vrms||≤1.6 Vrms|
|**Critical dV/dt off-state**|≥1000 V/μs||≥1000 V/μs|



## **Functional Diagram** 

**==> picture [467 x 95] intentionally omitted <==**

**----- Start of picture text -----**<br>
1(+) REGULATION 3 1(~) 3<br>]| | ZC<br>ZC<br>2(-) | | 4 2(~) ! VA g 4<br>DC Control Voltage AC Control Voltage<br>REGULATION<br>**----- End of picture text -----**<br>


**2** 

Specifications are subject to change without notice (06.02.2019) 

**RS 25E, RS 40E** 

## **Heatsink Dimensions (load current versus ambient temperature)** 

## **RS..25E** 

## **RS..40E** 

**==> picture [491 x 454] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Load|Thermal resistance|Power|Load|Thermal resistance|Power|
|current [A]|[K/W]|dissipation [W]|current [A]|[K/W]|dissipation [W]|
|25.0|1.02|0.70|0.37|0.05|-|-|31|40.0|0.36|0.16|-|-|-|-|50.5|
|Pott|TT|Pt|||TT|
|22.5|1.39|1.04|0.68|0.32|-|-|27.9|36.0|0.60|0.38|0.16|-|-|-|45.5|
|Pot|||re|
|20.0|1.86|1.46|1.06|0.65|0.25|-|24.8|32.0|0.89|0.65|0.40|0.15|-|-|40.4|
|Pot|Pot|
|17.5|2.47|2.00|1.54|1.08|0.62|0.16|21.7|28.0|1.27|0.99|0.71|0.43|0.14|-|35.4|
|Pot|tT|
|15.0|3.27|2.73|2.19|1.66|1.12|0.58|18.6|24.0|1.78|1.45|1.12|0.79|0.46|-|30.3|
|Pot TT|Pot|||||
|12.5|4.39|3.75|3.10|2.46|1.18|1.17|15.5|20.0|2.50|2.10|1.70|1.31|0.91|0.28|25.3|
|Pot|||TT|||ot|tT|||
|10.0|6.08|5.28|4.47|3.66|2.86|2.05|12.4|16.0|3.56|3.07|2.57|2.08|1.58|0.80|20.2|
|||||TT ||PF|tT|tT|TT|
|7.5|8.89|7.82|6.74|5.67|4.59|3.50|9.3|12.0|5.34|4.68|4.02|3.36|2.71|1.66|15.2|
|||||||||||||||||||
|5.0|13.7|12.0|10.4|8.82|7.20|5.59|6.2|8.0|8.36|7.37|6.38|5.39|4.40|3.39|10.1|
|||||||||ht}|||tf|||||hf}|
|2.5|-|-|-|17.7|14.5|11.2|3.1|4.0|16.8|14.8|12.8|10.8|8.85|6.87|5.1|
|||||||v|||ht]ht||||||||||hfltlf|
|20|30|40|50|60|70|20|30|40|50|60|70|
|TA|TA|
|Ambient temp. [|°|C]|Ambient temp. [|°|C]|
|Heatsink Selection|Dimensions|
|Carlo Gavazzi Heatsink|Thermal|...for power|
|(see Accessories)|resistance...  dissipation|
|No heatsink required|---|N/A|
|RHS 300|5.00 K/W|> 0 W|a"|
|RHS 100|3.00 K/W|> 25 W|
|RHS 45C|2.70 K/W|> 60 W|
|RHS 45B|2.00 K/W|> 60 W|
|RHS 90A|1.35 K/W|> 60 W|
|RHS 45A plus fan|1.25 K/W|> 0 W|
|RHS 45B plus fan|1.20 K/W|> 0 W|
|RHS 112A|1.10 K/W|> 100 W|
|RHS 301|0.80 K/W|> 70 W|
|RHS 90A plus fan|0.45 K/W|> 0 W|
|RHS 112A plus fan|0.40 K/W|> 0 W|||-s2|
|RHS 301 plus fan|0.25 K/W|> 0 W|
|Consult your distribution     > 0.25 K/W|N/A|
|Infinite heatsink - No solution|---|N/A|All dimensions in mm|

**----- End of picture text -----**<br>


## **Heatsink Selection** 

**3** 

Specifications are subject to change without notice (06.02.2019) 

**RS 25E, RS 40E** 

## **Environmental Information** 

The declaration in this section is prepared in compliance with People’s Republic of China Electronic Industry Standard SJ/ T11364-2014: Marking for the Restricted Use of Hazardous Substances in Electronic and Electrical Products. Part Name Toxic or Harardous Substances and Elements Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated (Pb) (Hg) (Cd) Chromium biphenyls (PBB) diphenyl ethers (Cr(Vl)) (PBDE) Power Unit Assembly x O O O O O O: Indicates that said hazardous substance contained in homogeneous materials fot this part are below the limit requirement of GB/T 26572. X: Indicates that said hazardous substance contained in one of the homogeneous materials used for this part is above the limit requirement of GB/T 26572. **环境特性** 这份申明根据中华人民共和国电子工业标准 SJ/T11364-2014：标注在电子电气产品中限定使用的有害物质 零件名称 有毒或有害物质与元素 铅 汞 镉 六价铬 多溴化联苯 多溴联苯醚 (Pb) (Hg) (Cd) (Cr(Vl)) (PBB) (PBDE) 功率单元 x O O O O O O:此零件所有材料中含有的该有害物低于GB/T 26572的限定。 ~~[a]~~ X: 此零件某种材料中含有的该有害物高于GB/T 26572的限定。 ~~ee~~ 25 re) 

**4** 

Specifications are subject to change without notice (06.02.2019) 

**RS 25E, RS 40E** 

## **FASTON terminals** 

- Faston tabs 

- Tab dimensions according to DIN 46342 part 1 

- Pure tin-plated brass 

## **Orderin Ke g y** 

**Screw mounted * Faston terminals RS1A48D25E  F 4 RS, RM Solid State Relay Faston terminals Tab orientation** Input Tab width: 4.8mm Output Tab width: 6.3mm 

**Faston terminals ** * in packs of 20 RM48      F4** | **RS, RM Solid State Relay Tab orientation** ~~OTF~~ *** 0: Flat (0º) 4: Angled (45º) ** 48: 4.8mm faston for input 63: 6.3mm faston for output** 

## **Other Accessories** 

- Heatsinks and fans • Type RHS • 0.25 to 5.00 k/W 

- Single and dual relay types 

- Touch safety cover • Type RMIP20 

- IP20 protection degree 

- Pack size: 20 pieces 

All accessories can be ordered pre-assembled with Solid State Relays. Other accessories include DIN rail adaptors, fuses, varistors and spacers. For futher information refer to Accessories datasheets. 

**5** 

Specifications are subject to change without notice (06.02.2019)

Updated at June 10, 2026

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 540,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →