The Siemens 3RP1555-1AR30 is a SIRIUS time-delay relay with a 42-48 VDC control supply and an adjustable delay range of 0.05 to 100 s. The relay output switches a thermal current of 5 A, with contact ratings of 1 A at 24 VDC, 0.2 A at 125 VDC, and 0.1 A at 250 VDC.
Siemens 3RP1555-1AR30 SIRIUS Time-Delay Relay, 42-48 VDC, 0.
MPN3RP1555-1AR30
Siemens SIRIUS 3RP1555-1AR30 time-delay relay, 42-48 VDC coil, adjustable 0.05-100 s delay, 5 A thermal current, screw and snap-on 35 mm DIN rail mounting.
$139.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | timing relay |
| Parameter | Value |
|---|---|
| ON-delay | No |
| OFF-delay | No |
| Delayed switching | 1 |
| At 24 V | 1 A |
| Influence of ambient temperature | ±5 % |
| Parameter | Value |
|---|---|
| Control supply voltage type (AC/DC) | AC/DC |
| At 50 Hz | 60 V |
| At 60 Hz | 42 ... 48 V |
| Rated surge voltage withstand | 4 000 V |
| Initial value | 0.85 |
| Full-scale value | 1.1 |
| Parameter | Value |
|---|---|
| At 250 V | 0.1 A |
| At 125 V | 0.2 A |
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -40 ... +85 °C |
| Transport temperature range | -40 ... +85 °C |
| Operating humidity range | 10 ... 95 % |
| IP protection rating | IP20 |
| Pollution degree | 3 |
| Max. installation altitude | 2 000 m |
| Shock resistance (IEC 60068-2-27) | 11g / 15 ms |
| Vibration resistance (IEC 60068-2-6) | 10 ... 55 Hz / 0.35 mm |
| ESD immunity (IEC 61000-4-2) | 4 kV contact discharge / 8 kV air discharge |
| Burst immunity (IEC 61000-4-4) | 2 kV network connection / 1 kV control connection |
| Parameter | Value |
|---|---|
| Fastening method | screw and snap-on mounting onto 35 mm DIN rail |
| Mounting position | any |
| Removable terminals | Yes |
| Width | 22.5 mm |
| Height | 83 mm |
| Depth | 91 mm |
| Wire range, solid (AWG) | 20 ... 14 |
| Wire range, stranded (AWG) | 20 ... 14 |
| Wire range, finely stranded w/ ferrule (mm²) | 0.5 ... 2.5 mm² |
| Clearance, rear | 0 mm |
| Clearance, front | 0 mm |
| Clearance, sides | 0 mm |
| Clearance, top | 0 mm |
| Clearance, bottom | 0 mm |
Product details
Frequently asked questions
What is the adjustable time range on this relay?
The 3RP1555-1AR30 offers an adjustable time delay from 0.05 to 100 seconds.
What is the control voltage for the 3RP1555-1AR30?
The control supply voltage is 42-48 VDC.
Where can I buy the 3RP1555-1AR30?
This part is sourced and quoted to order against an RFQ through independent distribution channels. Availability and pricing are confirmed at quote time.
MPN
3RP1555-1AR30