• Siemens SIRIUS 3RV21 Motor Starter Protectors, Overload Relay Function
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Siemens SIRIUS 3RV21 Motor Starter Protectors, Overload Relay Function

Siemens SIRIUS 3RV21 Motor Starter Protectors, Overload Relay Function

SIRIUS 3RV21 motor starter protectors combine short-circuit protection with an overload relay function featuring automatic RESET for sizes S00 to S3.

Key features

  • Overload relay function: overload trip signaled while main contacts remain closed, automatic RESET
  • Class 10 inverse-time delayed overload release, setting ranges 0.11 A to 100 A
  • Instantaneous electronic release, Icu up to 100 kA at 400 V AC
  • Sizes S00, S0, S2 and S3 (S3 with increased switching capacity)
  • Screw terminals; auxiliary switches ordered separately

Specifications

Product line SIRIUS 3RV2
Class 10
Reset Automatic
Aux. switch None (order separately)
Connection Screw
Brand Siemens
Catalog section IC 10 ch. 7 Protection equipment
Category Motor Starter Protectors
Poles 3
Rated frequency 50/60 Hz
Mounting DIN rail or screw fixing
Source Siemens Catalog IC 10 · 2026, p. 7/33-7/34
3RV2111-0AA10 Size: S00 | Setting range: 0.11–0.16 A | Motor rating: 0.04 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0BA10 Size: S00 | Setting range: 0.14–0.2 A | Motor rating: 0.06 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0CA10 Size: S00 | Setting range: 0.18–0.25 A | Motor rating: 0.06 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0DA10 Size: S00 | Setting range: 0.22–0.32 A | Motor rating: 0.09 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0EA10 Size: S00 | Setting range: 0.28–0.4 A | Motor rating: 0.09 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0FA10 Size: S00 | Setting range: 0.35–0.5 A | Motor rating: 0.12 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0GA10 Size: S00 | Setting range: 0.45–0.63 A | Motor rating: 0.18 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0HA10 Size: S00 | Setting range: 0.55–0.8 A | Motor rating: 0.18 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0JA10 Size: S00 | Setting range: 0.7–1 A | Motor rating: 0.25 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0KA10 Size: S00 | Setting range: 0.9–1.25 A | Motor rating: 0.37 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1AA10 Size: S00 | Setting range: 1.1–1.6 A | Motor rating: 0.55 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1BA10 Size: S00 | Setting range: 1.4–2 A | Motor rating: 0.75 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1CA10 Size: S00 | Setting range: 1.8–2.5 A | Motor rating: 0.75 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1DA10 Size: S00 | Setting range: 2.2–3.2 A | Motor rating: 1.1 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1EA10 Size: S00 | Setting range: 2.8–4 A | Motor rating: 1.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1FA10 Size: S00 | Setting range: 3.5–5 A | Motor rating: 1.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1GA10 Size: S00 | Setting range: 4.5–6.3 A | Motor rating: 2.2 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1HA10 Size: S00 | Setting range: 5.5–8 A | Motor rating: 3 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1JA10 Size: S00 | Setting range: 7–10 A | Motor rating: 4 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1KA10 Size: S00 | Setting range: 9–12.5 A | Motor rating: 5.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-4AA10 Size: S00 | Setting range: 10–16 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4AA10 Size: S0 | Setting range: 10–16 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4BA10 Size: S0 | Setting range: 13–20 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4CA10 Size: S0 | Setting range: 16–22 A | Motor rating: 11 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4DA10 Size: S0 | Setting range: 18–25 A | Motor rating: 11 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4NA10 Size: S0 | Setting range: 23–28 A | Motor rating: 15 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4EA10 Size: S0 | Setting range: 27–32 A | Motor rating: 15 kW | Icu 400 V: 55 kA | Version: Standard
3RV2131-4SA10 Size: S2 | Setting range: 9.5–14 A | Motor rating: 5.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4TA10 Size: S2 | Setting range: 12–17 A | Motor rating: 7.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4BA10 Size: S2 | Setting range: 14–20 A | Motor rating: 7.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4DA10 Size: S2 | Setting range: 18–25 A | Motor rating: 11 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4EA10 Size: S2 | Setting range: 22–32 A | Motor rating: 15 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4PA10 Size: S2 | Setting range: 28–36 A | Motor rating: 18.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4UA10 Size: S2 | Setting range: 32–40 A | Motor rating: 18.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4VA10 Size: S2 | Setting range: 35–45 A | Motor rating: 22 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4WA10 Size: S2 | Setting range: 42–52 A | Motor rating: 32 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4XA10 Size: S2 | Setting range: 49–59 A | Motor rating: 30 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4JA10 Size: S2 | Setting range: 54–65 A | Motor rating: 30 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4KA10 Size: S2 | Setting range: 62–73 A | Motor rating: 37 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4RA10 Size: S2 | Setting range: 70–80 A | Motor rating: 37 kW | Icu 400 V: 65 kA | Version: Standard
3RV2142-4FA10 Size: S3 | Setting range: 28–40 A | Motor rating: 18.5 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4HA10 Size: S3 | Setting range: 36–50 A | Motor rating: 22 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4JA10 Size: S3 | Setting range: 45–63 A | Motor rating: 30 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4KA10 Size: S3 | Setting range: 57–75 A | Motor rating: 37 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4RA10 Size: S3 | Setting range: 65–84 A | Motor rating: 45 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4YA10 Size: S3 | Setting range: 75–93 A | Motor rating: 45 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4MA10 Size: S3 | Setting range: 80–100 A | Motor rating: 45, 55 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
Motor Starter ProtectorsSiemens
47 product codes available in this family
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Siemens SIRIUS 3RV21 Motor Starter Protectors, Overload Relay Function

Brand Siemens·Motor Starter Protectors

Available part numbers (47)

3RV2111-0AA10, 3RV2111-0BA10, 3RV2111-0CA10, 3RV2111-0DA10, 3RV2111-0EA10, 3RV2111-0FA10, 3RV2111-0GA10, 3RV2111-0HA10, 3RV2111-0JA10, 3RV2111-0KA10 + 37 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RV2111-0AA10Size: S00 | Setting range: 0.11–0.16 A | Motor rating: 0.04 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0BA10Size: S00 | Setting range: 0.14–0.2 A | Motor rating: 0.06 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0CA10Size: S00 | Setting range: 0.18–0.25 A | Motor rating: 0.06 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0DA10Size: S00 | Setting range: 0.22–0.32 A | Motor rating: 0.09 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0EA10Size: S00 | Setting range: 0.28–0.4 A | Motor rating: 0.09 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0FA10Size: S00 | Setting range: 0.35–0.5 A | Motor rating: 0.12 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0GA10Size: S00 | Setting range: 0.45–0.63 A | Motor rating: 0.18 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0HA10Size: S00 | Setting range: 0.55–0.8 A | Motor rating: 0.18 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0JA10Size: S00 | Setting range: 0.7–1 A | Motor rating: 0.25 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-0KA10Size: S00 | Setting range: 0.9–1.25 A | Motor rating: 0.37 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1AA10Size: S00 | Setting range: 1.1–1.6 A | Motor rating: 0.55 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1BA10Size: S00 | Setting range: 1.4–2 A | Motor rating: 0.75 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1CA10Size: S00 | Setting range: 1.8–2.5 A | Motor rating: 0.75 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1DA10Size: S00 | Setting range: 2.2–3.2 A | Motor rating: 1.1 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1EA10Size: S00 | Setting range: 2.8–4 A | Motor rating: 1.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1FA10Size: S00 | Setting range: 3.5–5 A | Motor rating: 1.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1GA10Size: S00 | Setting range: 4.5–6.3 A | Motor rating: 2.2 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1HA10Size: S00 | Setting range: 5.5–8 A | Motor rating: 3 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1JA10Size: S00 | Setting range: 7–10 A | Motor rating: 4 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-1KA10Size: S00 | Setting range: 9–12.5 A | Motor rating: 5.5 kW | Icu 400 V: 100 kA | Version: Standard
3RV2111-4AA10Size: S00 | Setting range: 10–16 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4AA10Size: S0 | Setting range: 10–16 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4BA10Size: S0 | Setting range: 13–20 A | Motor rating: 7.5 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4CA10Size: S0 | Setting range: 16–22 A | Motor rating: 11 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4DA10Size: S0 | Setting range: 18–25 A | Motor rating: 11 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4NA10Size: S0 | Setting range: 23–28 A | Motor rating: 15 kW | Icu 400 V: 55 kA | Version: Standard
3RV2121-4EA10Size: S0 | Setting range: 27–32 A | Motor rating: 15 kW | Icu 400 V: 55 kA | Version: Standard
3RV2131-4SA10Size: S2 | Setting range: 9.5–14 A | Motor rating: 5.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4TA10Size: S2 | Setting range: 12–17 A | Motor rating: 7.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4BA10Size: S2 | Setting range: 14–20 A | Motor rating: 7.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4DA10Size: S2 | Setting range: 18–25 A | Motor rating: 11 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4EA10Size: S2 | Setting range: 22–32 A | Motor rating: 15 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4PA10Size: S2 | Setting range: 28–36 A | Motor rating: 18.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4UA10Size: S2 | Setting range: 32–40 A | Motor rating: 18.5 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4VA10Size: S2 | Setting range: 35–45 A | Motor rating: 22 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4WA10Size: S2 | Setting range: 42–52 A | Motor rating: 32 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4XA10Size: S2 | Setting range: 49–59 A | Motor rating: 30 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4JA10Size: S2 | Setting range: 54–65 A | Motor rating: 30 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4KA10Size: S2 | Setting range: 62–73 A | Motor rating: 37 kW | Icu 400 V: 65 kA | Version: Standard
3RV2131-4RA10Size: S2 | Setting range: 70–80 A | Motor rating: 37 kW | Icu 400 V: 65 kA | Version: Standard
3RV2142-4FA10Size: S3 | Setting range: 28–40 A | Motor rating: 18.5 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4HA10Size: S3 | Setting range: 36–50 A | Motor rating: 22 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4JA10Size: S3 | Setting range: 45–63 A | Motor rating: 30 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4KA10Size: S3 | Setting range: 57–75 A | Motor rating: 37 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4RA10Size: S3 | Setting range: 65–84 A | Motor rating: 45 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4YA10Size: S3 | Setting range: 75–93 A | Motor rating: 45 kW | Icu 400 V: 100 kA | Version: Increased switching capacity
3RV2142-4MA10Size: S3 | Setting range: 80–100 A | Motor rating: 45, 55 kW | Icu 400 V: 100 kA | Version: Increased switching capacity

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