• Siemens SIRIUS 3RP25 Timing Relays (17.5 / 22.5 mm)
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Siemens SIRIUS 3RP25 Timing Relays (17.5 / 22.5 mm)

Siemens SIRIUS 3RP25 Timing Relays (17.5 / 22.5 mm)

SIRIUS 3RP25 electronic timing relays in 17.5 mm and 22.5 mm industrial enclosures with multifunction and monofunction versions.

Key features

  • Multifunction relays with 13 or 27 functions set by selector switches
  • Monofunction ON-delay, OFF-delay, clock-pulse and star-delta versions
  • Time ranges from 0.05 s up to 100 h
  • Wide-range supply 12 ... 240 V AC/DC on most versions
  • Railway version with force-guided contacts; coated PCB versions available
  • Screw or spring-loaded (push-in) terminals

Specifications

Brand Siemens
Product line SIRIUS 3RP25
Width 17.5 mm / 22.5 mm
Enclosure Industrial DIN-rail enclosure
Category Timers
Source Siemens Catalog IC 10 · 2026, p. 934
3RP2505-1AB30 Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2505-2AB30 Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1AW30 Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2AW30 Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2AW30-0AX0 Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2505-1CW30 Function: Multifunction, 13 functions | Contacts: 1 semiconductor output | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2CW30 Function: Multifunction, 13 functions | Contacts: 1 semiconductor output | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1RW30 Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC | Connection: Screw
3RP2505-2RW30 Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2RW30-0AX0 Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2505-1BB30 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2505-2BB30 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1BT20 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 400 ... 440 V AC | Connection: Screw
3RP2505-2BT20 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 400 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2505-1BW30 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2BW30 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2BW30-0AX0 Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2511-1AW30 Function: ON-delay | Contacts: 1 CO | Time: 0.5 ... 10 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2511-2AW30 Function: ON-delay | Contacts: 1 CO | Time: 0.5 ... 10 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2512-1AW30 Function: ON-delay | Contacts: 1 CO | Time: 1 ... 30 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2512-2AW30 Function: ON-delay | Contacts: 1 CO | Time: 1 ... 30 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2513-1AW30 Function: ON-delay | Contacts: 1 CO | Time: 5 ... 100 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2513-2AW30 Function: ON-delay | Contacts: 1 CO | Time: 5 ... 100 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1AW30 Function: ON-delay | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2525-2AW30 Function: ON-delay | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1BB30 Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2525-2BB30 Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1BW30 Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2525-2BW30 Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2527-1EW30 Function: ON-delay | Contacts: 1 semiconductor output | Time: 0.05 s ... 240 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2527-2EW30 Function: ON-delay | Contacts: 1 semiconductor output | Time: 0.05 s ... 240 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2535-1AW30 Function: OFF-delay with control signal | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2535-2AW30 Function: OFF-delay with control signal | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1AB30 Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Screw
3RP2540-2AB30 Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1AW30 Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2540-2AW30 Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1BB30 Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Screw
3RP2540-2BB30 Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1BW30 Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2540-2BW30 Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2555-1AW30 Function: Clock-pulse, flashing, asymmetrical | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2555-2AW30 Function: Clock-pulse, flashing, asymmetrical | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2560-1SW30 Function: Star-delta with coasting function | Contacts: 1 NO inst. + 2 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2560-2SW30 Function: Star-delta with coasting function | Contacts: 1 NO inst. + 2 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2574-1NM20 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 380 ... 440 V AC | Connection: Screw
3RP2574-2NM20 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 380 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2574-1NW30 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2574-2NW30 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2576-1NM20 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 380 ... 440 V AC | Connection: Screw
3RP2576-2NM20 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 380 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2576-1NW30 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2576-2NW30 Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
TimersSiemens
53 product codes available in this family
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Siemens SIRIUS 3RP25 Timing Relays (17.5 / 22.5 mm)

Brand Siemens·Timers

Available part numbers (53)

3RP2505-1AB30, 3RP2505-2AB30, 3RP2505-1AW30, 3RP2505-2AW30, 3RP2505-2AW30-0AX0, 3RP2505-1CW30, 3RP2505-2CW30, 3RP2505-1RW30, 3RP2505-2RW30, 3RP2505-2RW30-0AX0 + 43 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RP2505-1AB30Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2505-2AB30Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1AW30Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2AW30Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2AW30-0AX0Function: Multifunction, 13 functions | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2505-1CW30Function: Multifunction, 13 functions | Contacts: 1 semiconductor output | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2CW30Function: Multifunction, 13 functions | Contacts: 1 semiconductor output | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1RW30Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC | Connection: Screw
3RP2505-2RW30Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2RW30-0AX0Function: Multifunction, 13 func., railway | Contacts: 2 CO, force-guided | Time: 0.05 s ... 100 h | Supply: 24 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2505-1BB30Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2505-2BB30Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-1BT20Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 400 ... 440 V AC | Connection: Screw
3RP2505-2BT20Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 400 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2505-1BW30Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2505-2BW30Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2505-2BW30-0AX0Function: Multifunction, 27 functions | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC, PCB coated | Connection: Spring-loaded (push-in)
3RP2511-1AW30Function: ON-delay | Contacts: 1 CO | Time: 0.5 ... 10 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2511-2AW30Function: ON-delay | Contacts: 1 CO | Time: 0.5 ... 10 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2512-1AW30Function: ON-delay | Contacts: 1 CO | Time: 1 ... 30 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2512-2AW30Function: ON-delay | Contacts: 1 CO | Time: 1 ... 30 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2513-1AW30Function: ON-delay | Contacts: 1 CO | Time: 5 ... 100 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2513-2AW30Function: ON-delay | Contacts: 1 CO | Time: 5 ... 100 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1AW30Function: ON-delay | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2525-2AW30Function: ON-delay | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1BB30Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Screw
3RP2525-2BB30Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2525-1BW30Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2525-2BW30Function: ON-delay | Contacts: 2 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2527-1EW30Function: ON-delay | Contacts: 1 semiconductor output | Time: 0.05 s ... 240 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2527-2EW30Function: ON-delay | Contacts: 1 semiconductor output | Time: 0.05 s ... 240 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2535-1AW30Function: OFF-delay with control signal | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2535-2AW30Function: OFF-delay with control signal | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1AB30Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Screw
3RP2540-2AB30Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1AW30Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2540-2AW30Function: OFF-delay without control signal | Contacts: 1 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1BB30Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Screw
3RP2540-2BB30Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 24 V AC/DC | Connection: Spring-loaded (push-in)
3RP2540-1BW30Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2540-2BW30Function: OFF-delay without control signal | Contacts: 2 CO | Time: 0.05 s ... 600 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2555-1AW30Function: Clock-pulse, flashing, asymmetrical | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2555-2AW30Function: Clock-pulse, flashing, asymmetrical | Contacts: 1 CO | Time: 0.05 s ... 100 h | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2560-1SW30Function: Star-delta with coasting function | Contacts: 1 NO inst. + 2 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2560-2SW30Function: Star-delta with coasting function | Contacts: 1 NO inst. + 2 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2574-1NM20Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 380 ... 440 V AC | Connection: Screw
3RP2574-2NM20Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 380 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2574-1NW30Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2574-2NW30Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 1 ... 20 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)
3RP2576-1NM20Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 380 ... 440 V AC | Connection: Screw
3RP2576-2NM20Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 380 ... 440 V AC | Connection: Spring-loaded (push-in)
3RP2576-1NW30Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 12 ... 240 V AC/DC | Connection: Screw
3RP2576-2NW30Function: Star-delta | Contacts: 1 NO inst. + 1 NO delayed | Time: 3 ... 60 s | Supply: 12 ... 240 V AC/DC | Connection: Spring-loaded (push-in)

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