• Siemens SIRIUS 3RR24 Current Monitoring Relays for IO-Link
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Siemens SIRIUS 3RR24 Current Monitoring Relays for IO-Link

Siemens SIRIUS 3RR24 Current Monitoring Relays for IO-Link

SIRIUS 3RR24 current and active current monitoring relays with IO-Link for direct mounting on 3RT2 contactors sizes S00 to S2.

Key features

  • IO-Link communication, 1 CO plus 1 semiconductor output in SIO mode
  • 3-phase active or apparent current and current asymmetry monitoring
  • Phase sequence, residual current and blocking current monitoring
  • Operating hours and operating cycles counters
  • Measuring ranges 1.6 ... 16 A, 4 ... 40 A and 8 ... 80 A

Specifications

Brand Siemens
Product line SIRIUS 3RR24
Supply voltage 24 V DC
Communication IO-Link
Mounting On 3RT2 contactors or stand-alone
Category Monitoring Relays
Source Siemens Catalog IC 10 · 2026, p. 960
3RR2441-1AA40 Size: S00 | Measuring range: 1.6 ... 16 A | Hysteresis: 0.1 ... 3 A | Connection: Screw
3RR2441-2AA40 Size: S00 | Measuring range: 1.6 ... 16 A | Hysteresis: 0.1 ... 3 A | Connection: Spring-loaded
3RR2442-1AA40 Size: S0 | Measuring range: 4 ... 40 A | Hysteresis: 0.1 ... 8 A | Connection: Screw
3RR2442-2AA40 Size: S0 | Measuring range: 4 ... 40 A | Hysteresis: 0.1 ... 8 A | Connection: Spring-loaded
3RR2443-1AA40 Size: S2 | Measuring range: 8 ... 80 A | Hysteresis: 0.2 ... 16 A | Connection: Screw
3RR2443-3AA40 Size: S2 | Measuring range: 8 ... 80 A | Hysteresis: 0.2 ... 16 A | Connection: Spring-loaded
Monitoring RelaysSiemens
6 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SIRIUS 3RR24 Current Monitoring Relays for IO-Link

Brand Siemens·Monitoring Relays

Available part numbers (6)

3RR2441-1AA40, 3RR2441-2AA40, 3RR2442-1AA40, 3RR2442-2AA40, 3RR2443-1AA40, 3RR2443-3AA40

How to order

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Product codes & specifications
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Product codeSpec
3RR2441-1AA40Size: S00 | Measuring range: 1.6 ... 16 A | Hysteresis: 0.1 ... 3 A | Connection: Screw
3RR2441-2AA40Size: S00 | Measuring range: 1.6 ... 16 A | Hysteresis: 0.1 ... 3 A | Connection: Spring-loaded
3RR2442-1AA40Size: S0 | Measuring range: 4 ... 40 A | Hysteresis: 0.1 ... 8 A | Connection: Screw
3RR2442-2AA40Size: S0 | Measuring range: 4 ... 40 A | Hysteresis: 0.1 ... 8 A | Connection: Spring-loaded
3RR2443-1AA40Size: S2 | Measuring range: 8 ... 80 A | Hysteresis: 0.2 ... 16 A | Connection: Screw
3RR2443-3AA40Size: S2 | Measuring range: 8 ... 80 A | Hysteresis: 0.2 ... 16 A | Connection: Spring-loaded

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