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Siemens 3RP1505-2BW30 — Time Delay Relays

Siemens 3RP1505-2BW30 SIRIUS Timer Relay, ON/OFF Delay, 24-2

MPN3RP1505-2BW30

Siemens SIRIUS 3RP1505-2BW30 timer relay, ON-delay and OFF-delay, adjustable 0.05–100 s, 24–240 V AC/DC supply, 5 A thermal current, 22.5 mm wide, screw and snap-on mounting on 35 mm DIN rail.

$152.00Ref. price · indicative, final on quote
Siemens 3RP1505-2BW30 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RP1505-2BW30 — Identification
ParameterValue
Product designationtiming relay
3RP1505-2BW30 — Timing
ParameterValue
ON-delayYes
OFF-delayYes
Delayed switching2
At 24 V1 A
Influence of ambient temperature±5 %
3RP1505-2BW30 — Electrical
ParameterValue
Control supply voltage type (AC/DC)AC/DC
At 50 Hz24 ... 240 V
At 60 Hz24 ... 240 V
Rated surge voltage withstand4 000 V
Initial value0.8
Full-scale value1.1
3RP1505-2BW30 — Output / Contacts
ParameterValue
At 250 V0.1 A
At 125 V0.2 A
3RP1505-2BW30 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-40 ... +85 °C
Transport temperature range-40 ... +85 °C
Operating humidity range10 ... 95 %
IP protection ratingIP20
Pollution degree3
Max. installation altitude2 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
3RP1505-2BW30 — Mechanical
ParameterValue
Fastening methodscrew and snap-on mounting onto 35 mm DIN rail
Mounting positionany
Removable terminalsYes
Width22.5 mm
Height103 mm
Depth91 mm
Wire range, solid (AWG)24 ... 16
Wire range, stranded (AWG)24 ... 16
Wire range, finely stranded w/ ferrule (mm²)0.3 ... 1.5 mm²
Clearance, rear0 mm
Clearance, front0 mm
Clearance, sides0 mm
Clearance, top0 mm
Clearance, bottom0 mm

Product details

What this SIRIUS timer relay does

The Siemens 3RP1505-2BW30 is a SIRIUS timer relay that gives you both ON-delay and OFF-delay in one 22.5 mm wide package — no separate modules needed for star-delta circuits or sequential starts. The time window spans 0.05 to 100 seconds, adjustable with a pot on the face. Thermal current rating is 5 A; switching capacity at 250 V AC is 0.1 A, at 125 V AC 0.2 A, and at 24 V DC 1 A — sized for pilot duty, not motor loads.

The 22.5 mm width keeps panel fill tight — you can pack multiple units side by side.

Frequently asked questions

What are the key timing specs on 3RP1505-2BW30?

Adjustable time range is 0.05 to 100 seconds. It supports ON-delay, OFF-delay, and additive ON-delay. Minimum ON period is 35 ms; recovery time between cycles is 150 ms. Non-volatile memory is not present — timing resets on power loss.

What supply voltage does 3RP1505-2BW30 accept?

Universal supply: 24–240 V AC at 50/60 Hz and 24–240 V DC on the same terminals. No separate tap or jumper needed.

Where can I buy 3RP1505-2BW30 and get current pricing?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time.

Will 3RP1505-2BW30 drop into a panel that was specified around 3RT2526-1BG40 without rewiring?

No — 3RT2526-1BG40 is a contactor, not a timer relay. The 3RP1505-2BW30 is a timing function module; it has a different footprint, wiring scheme, and terminal assignment. A panel built for a contactor would need rewiring to accept this timer relay.

MPN
3RP1505-2BW30