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Siemens SIRIUS 3RT29 Latching Blocks & OFF-Delay Devices

Siemens SIRIUS 3RT29 Latching Blocks & OFF-Delay Devices

Mechanical latching blocks for size S0 contactors and OFF-delay devices for SIRIUS 3RT2 contactors with AC/DC and DC operation.

Key features

  • Mechanical latching block keeps the contactor energized in the event of voltage drop
  • OFF-delay devices with permanently set delay time
  • Versions for 24 V DC, 110 V and 220/230 V AC/DC control voltages
  • Screw terminals

Specifications

Brand line SIRIUS
Accessory for SIRIUS 3RT contactors / 3RH2 relays
Manufacturer Siemens
Product category Accessories
Catalog chapter Contactors for switching motors
Catalog section 3RT/3RH2 accessories: Modules for contactor control
Source Siemens Catalog IC 10 · 2026, p. 229
3RT2926-3AB31 Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 24 V AC/DC | Delay: --
3RT2926-3AF31 Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 110 V AC/DC | Delay: --
3RT2926-3AP31 Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 230 V AC/DC | Delay: --
3RT2916-2BK01 Item: OFF-delay device | For: 3RT201/202-1BF4, 3RT203-1NF3, 3RH2 | Uc: 110 V AC/DC, 110/220/230 V DC | Delay: S00 >0.1 s, S0 >0.08 s, S2 >0.25 s
3RT2916-2BL01 Item: OFF-delay device | For: 3RT201/202-1BM4/-1BP4, 3RT203-1NP3 | Uc: 220/230 V AC/DC, 110/220/230 V DC | Delay: S00 >0.5 s, S0 >0.3 s, S2 >0.8 s
3RT2916-2BE01 Item: OFF-delay device | For: 3RT201-204 24 V DC types, 3RH2 | Uc: 24 V DC | Delay: S00 >0.2, S0/S2 >0.1, S3 >0.05 s
AccessoriesSiemens
6 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing

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Siemens SIRIUS 3RT29 Latching Blocks & OFF-Delay Devices

Brand Siemens·Accessories

Available part numbers (6)

3RT2926-3AB31, 3RT2926-3AF31, 3RT2926-3AP31, 3RT2916-2BK01, 3RT2916-2BL01, 3RT2916-2BE01

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
3RT2926-3AB31Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 24 V AC/DC | Delay: --
3RT2926-3AF31Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 110 V AC/DC | Delay: --
3RT2926-3AP31Item: Mechanical latching block | For: 3RT202, 3RT232, 3RT252 (S0) | Uc: 230 V AC/DC | Delay: --
3RT2916-2BK01Item: OFF-delay device | For: 3RT201/202-1BF4, 3RT203-1NF3, 3RH2 | Uc: 110 V AC/DC, 110/220/230 V DC | Delay: S00 >0.1 s, S0 >0.08 s, S2 >0.25 s
3RT2916-2BL01Item: OFF-delay device | For: 3RT201/202-1BM4/-1BP4, 3RT203-1NP3 | Uc: 220/230 V AC/DC, 110/220/230 V DC | Delay: S00 >0.5 s, S0 >0.3 s, S2 >0.8 s
3RT2916-2BE01Item: OFF-delay device | For: 3RT201-204 24 V DC types, 3RH2 | Uc: 24 V DC | Delay: S00 >0.2, S0/S2 >0.1, S3 >0.05 s

Need a different model, or a part not listed here? Send us your parts list →