# Time Delay Relay, 24 VDC, 0.05 s, 600 s, 3RP Series, 1CO, DIN Rail
**URL**: https://novapart.co/products/3RP2540-1AB30/time-delay-relay-24-vdc-005-s-600-3rp-series-1co
**SKU**: 3RP2540-1AB30
**Manufacturer**: SIEMENS
**Category**: Switches & Relays || Relays || Time Delay Relays - Electromechanical
**Price**: €145.2900
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Product Range | SIRIUS 3RP25 Series |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3533880/)
**3RP2540-1AB30**
**Data sheet**
Timing relay, electronic OFF delay without control signal or smooth passing make contact non-volatile 24 V AC/DC, 1 change-over contact 7 time ranges, 0.05...600 s with LED, Screw terminal
||Timing relay, electronic OFF delay without control signal or smooth passing make
contact non-volatile 24 V AC/DC, 1 change-over contact 7 time ranges, 0.05...600
s with LED, Screw terminal|
|---|---|
|**product brand name**|SIRIUS|
|**product designation**|timingrelay|
|**design of theproduct**|OFF-delaywithout control signal, non-volatile,passingmake contact|
|**product type designation**|3RP25|
|**General technical data**||
|**product featureprotective coating onprinted-circuit board**|No|
|**product component**||
|● relayoutput|Yes|
|● semi-conductor output|No|
|**product extension required remote control**|No|
|**product extension optional remote control**|No|
|**power loss[W] maximum**|2 W|
|insulation voltage for overvoltage category III according to IEC
60664 with degree ofpollution 3 rated value|300 V|
|**test voltage for isolation test**|2.5 kV|
|**degree ofpollution**|3|
|**surge voltage resistance rated value**|4 000 V|
|**shock resistance according to IEC 60068-2-27**|11g/ 15 ms|
|**vibration resistance according to IEC 60068-2-6**|10 ... 55 Hz / 0.35 mm|
|**mechanical service life(operating cycles) typical**|10 000 000|
|electrical endurance(operatingcycles)at AC-15 at 230 V typical|100 000|
|**adjustable time**|0.05 ... 600 s|
|**adjustable time note**|minimum value at function N = 0.5 s|
|**relative setting accuracy relating to full-scale value**|5 %; +/-|
|**thermal current**|5 A|
|**ONperiod/maximum minimum**|250 ms|
|**recovery time**|250 ms|
|**reference code according to IEC 81346-2**|K|
|**relative repeat accuracy**|1 %; +/-|
|**influence of the surrounding temperature**|1% in the whole temperature range to the set runtime|
|**power supply influence**|1% in the whole voltage range to the set runtime|
|**Substance Prohibitance(day/month/year)**|09/12/2014|
|**SVHC substance name**|Lead monoxide (lead oxide) CAS-No. 1317-36-8
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-
10-5
Melamine CAS-No. 108-78-1
6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1|
|**Net Weight**|0.155 kg|
|**Control circuit/ Control**||
|**type of voltage of the control supply voltage**|AC/DC|
Subject to change without notice © Copyright Siemens
3RP25401AB30 Page 1/6
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|**control supply voltage at AC**||
|---|---|
|● at 50 Hz rated value|24 V|
|● at 60 Hz rated value|24 V|
|**control supply voltage 1 at AC**||
|● at 50 Hz rated value|24 V|
|● at 60 Hz rated value|24 V|
|**control supply voltage frequency 1**|50 ... 60 Hz|
|**control supply voltage at DC rated value**|24 V|
|**control supply voltage 1 at DC rated value**|24 V|
|**operating range factor control supply voltage rated value at**
**DC**||
|● initial value|0.85|
|● full-scale value|1.1|
|**operating range factor control supply voltage rated value at**
**AC at 50 Hz**||
|● initial value|0.85|
|● full-scale value|1.1|
|**operating range factor control supply voltage rated value at**
**AC at 60 Hz**||
|● initial value|0.85|
|● full-scale value|1.1|
|**inrush currentpeak**||
|● at 24 V|2 A|
|**duration of inrush currentpeak**||
|● at 24 V|1 ms|
|**Switching Function**||
|**switching function**||
|● ON-delay|No|
|● ON-delay/instantaneous contact|No|
|●passingmake contact|Yes|
|●passingmake contact/instantaneous contact|No|
|● OFF delay|Yes|
|**switching function**||
|● flashingsymmetricallywith interval start/instantaneous|No|
|● flashingsymmetricallywith interval start|No|
|● flashingsymmetricallywithpulse start/instantaneous|No|
|● flashingsymmetricallywithpulse start|No|
|● flashingasymmetricallywith interval start|No|
|● flashingasymmetricallywithpulse start|No|
|**switching function**||
|● star-delta circuit with delaytime|No|
|● star-delta circuit|No|
|**switching function with control signal**||
|● additive ON-delay|No|
|●passingbreak contact|No|
|●passingbreak contact/instantaneous|No|
|● OFF delay|No|
|● OFF delay/instantaneous|No|
|●pulse delayed|No|
|●pulse delayed/instantaneous|No|
|●pulse-shaping|No|
|●pulse-shaping/instantaneous|No|
|● additive ON-delay/instantaneous|No|
|● ON-delay/OFF-delay/instantaneous|No|
|●passingmake contact|No|
|●passingmake contact/instantaneous contact|No|
|**switching function of interval relay with control signal**||
|● retrotriggerable with deactivated control
signal/instantaneous contact|No|
|● retrotriggerable with switched-on control signal|No|
Subject to change without notice © Copyright Siemens
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|● retrotriggerable with switched-on control
signal/instantaneous contact|No|
|---|---|
|● retriggerable with deactivated control signal|No|
|**Short-circuit protection**||
|design of the fuse link for short-circuit protection of the auxiliary
switch required|fuse gL/gG: 4 A|
|**Auxiliary circuit**||
|**material of switching contacts**|AgSnO2|
|**number of NC contacts**||
|● delayed switching|0|
|● instantaneous contact|0|
|**number of NO contacts**||
|● delayed switching|0|
|● instantaneous contact|0|
|**number of CO contacts**||
|● delayed switching|1|
|● instantaneous contact|0|
|**operational current of auxiliary contacts at AC-15**||
|● at 24 V|3 A|
|● at 250 V|3 A|
|**operational current of auxiliary contacts at DC-13**||
|● at 24 V|1 A|
|● at 125 V|0.2 A|
|● at 250 V|0.1 A|
|**operating frequency with 3RT2 contactor maximum**|5 000 1/h|
|**contact reliability of auxiliary contacts**|one incorrect switching operation of 100 million switching operations (17 V, 5
mA)|
|**switching capacity current with inductive load**|0.01 ... 3 A|
|**Inputs/ Outputs**||
|**product function**||
|● at the relayoutputs switchover delayed/without delay|No|
|● non-volatile|Yes|
|**ampacity of the output relay at DC-13**||
|● at 24 V|1 A|
|● at 125 V|0.2 A|
|**Electromagnetic compatibility**||
|EMC emitted interference accordingto IEC 61812-1|ambience A(industrial sector)|
|EMC immunityaccordingto IEC 61812-1|corresponds to degree of severity3|
|**conducted interference**||
|● due to burst accordingto IEC 61000-4-4|2 kV network connection / 1 kV control connection|
|● due to conductor-earth surge accordingto IEC 61000-4-5|2 kV|
|● due to conductor-conductor surge according to IEC
61000-4-5|1 kV|
|**field-based interference according to IEC 61000-4-3**|10 V/m|
|**electrostatic discharge according to IEC 61000-4-2**|4 kV contact discharge / 8 kV air discharge|
|**Safety related data**||
|categoryaccordingto EN 954-1|none|
|Electrical Safety||
|**protection class IP on the front according to IEC 60529**|IP20|
|**type of insulation**|Basic insulation|
|**Connections/ Terminals**||
|**product component removable terminal for auxiliary and**
**control circuit**|Yes|
|**type of electrical connection**|screw terminal|
|● for auxiliaryand control circuit|screw-type terminals|
|**type of connectable conductor cross-sections**||
|● solid|1x(0.5 ... 4 mm²), 2x(0.5 ... 2.5 mm²)|
|● finelystranded with core endprocessing|1x(0.5 ... 4 mm²), 2x(0.5 ... 1.5 mm²)|
|● for AWG cables solid|1x(20 ... 12), 2x(20 ... 14)|
|**connectable conductor cross-section**||
Subject to change without notice © Copyright Siemens
3RP25401AB30 Page 3/6
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|● solid|● solid|0.5 ... 4 mm²|
|---|---|---|
|● finelystranded with core endprocessing||0.5 ... 4 mm²|
|**AWG number as coded connectable conductor cross**
**section**|||
|● solid||20 ... 12|
|**tightening torque**||0.6 ... 0.8 N·m|
|**design of the thread of the connection screw**||M3|
|**Installation/ mounting/ dimensions**
~~re~~|||
|**mounting position**
~~re~~||any
~~re~~|
|**fastening method**||screw and snap-on mountingonto 35 mm DIN rail|
|**height**||100 mm|
|**width**||22.5 mm|
|**depth**||90 mm|
|**required spacing**|||
|● with side-by-side mounting|||
|— forwards||0 mm|
|— backwards||0 mm|
|— upwards||0 mm|
|— downwards||0 mm|
|— at the side||0 mm|
|● forgroundedparts|||
|— forwards||0 mm|
|— backwards||0 mm|
|— upwards||0 mm|
|— at the side||0 mm|
|— downwards||0 mm|
|● for liveparts|||
|— forwards||0 mm|
|— backwards||0 mm|
|— upwards||0 mm|
|— downwards||0 mm|
|— at the side||0 mm|
|**Ambient conditions**
~~a~~|||
|installation altitude at height above sea level maximum
~~a~~||2 000 m
~~a~~|
|**ambient temperature**|||
|● duringoperation||-25 ... +60 °C|
|● duringstorage||-40 ... +85 °C|
|● duringtransport||-40 ... +85 °C|
|relative humidityduringoperation
~~a~~||10 ... 95 %
~~a~~|
|**Approvals Certificates**
~~a~~|||
|**Environment**
~~a~~|**General Product Approval**
~~a~~||
Subject to change without notice © Copyright Siemens
3RP25401AB30 Page 4/6
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~~a~~ Confirmation
~~L~~ **Further information** ~~S~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875
**Information for data generation and storage** https://support.industry.siemens.com/cs/ww/en/view/109995012
**Information- and Downloadcenter (Catalogs, Brochures,…)** https://www.siemens.com/ic10
**Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RP2540-1AB30 **Cax online generator** https://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RP2540-1AB30 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3RP2540-1AB30
**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)** https://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RP2540-1AB30&lang=en
Subject to change without notice © Copyright Siemens
3RP25401AB30 Page 5/6
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**==> picture [391 x 367] intentionally omitted <==**
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-K
last modified: 5/29/2026
C
A1 A1
15
A2 A2 CN ON
16 18
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## Links
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- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3rp2540-1ab30/time-delay-electromechanical/dp/3533880)
---
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