• Siemens SENTRON 3WL ETU Trip Units, Rating Plugs & Test Devices
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Siemens SENTRON 3WL ETU Trip Units, Rating Plugs & Test Devices

Siemens SENTRON 3WL ETU Trip Units, Rating Plugs & Test Devices

Spare electronic trip units, rating plugs, ground-fault modules, current transformers and test devices for SENTRON 3WL11-3WL13 air circuit breakers (product phase-out).

Key features

  • ETU15B, ETU25B, ETU27B, ETU45B and ETU76B trip units, optional metering function Plus
  • Rating plugs 250 A to 6300 A
  • Ground-fault modules, display, internal and external N-conductor current transformers
  • EMC filter, sealable covers, internal wiring and automatic reset parts
  • Manual tester, function test unit, TD400 test device and adapters

Specifications

Brand Siemens
Product line SENTRON
Product family SENTRON 3WL11-3WL13 (product phase-out)
Accessory group ETU accessories and test devices
Product type Air circuit breaker accessories
Ordering Quote on request
Source Siemens Catalog LV 10 · 2026, p. 142-145
3WL9311-5AA00-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU15B | Protection: LI | Metering: Without
3WL9312-5AA00-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU25B | Protection: LSI | Metering: Without
3WL9312-7AA00-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU27B | Protection: LSING | Metering: Without
3WL9314-5AA00-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU45B (no display) | Protection: LSIN(G) | Metering: Without
3WL9314-5AA30-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU45B (no display) | Protection: LSIN(G) | Metering: Metering function Plus
3WL9317-6AA00-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU76B | Protection: LSIN(G) | Metering: Without
3WL9317-6AA30-0AA2 Accessory: Electronic trip unit (ETU) | Version: ETU76B | Protection: LSIN(G) | Metering: Metering function Plus
3WL9111-0AA51-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 250 A
3WL9111-0AA52-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 315 A
3WL9111-0AA53-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 400 A
3WL9111-0AA54-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 500 A
3WL9111-0AA55-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 630 A
3WL9111-0AA56-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 800 A
3WL9111-0AA57-0AA0 Accessory: Rating plug | Size: 1, 2 | Rating: 1000 A
3WL9111-0AA58-0AA0 Accessory: Rating plug | Size: 1, 2, 3 | Rating: 1250 A
3WL9111-0AA61-0AA0 Accessory: Rating plug | Size: 1, 2, 3 | Rating: 1600 A
3WL9111-0AA62-0AA0 Accessory: Rating plug | Size: 1, 2, 3 | Rating: 2000 A
3WL9111-0AA63-0AA0 Accessory: Rating plug | Size: 2, 3 | Rating: 2500 A
3WL9111-0AA64-0AA0 Accessory: Rating plug | Size: 2, 3 | Rating: 3200 A
3WL9111-0AA65-0AA0 Accessory: Rating plug | Size: 2, 3 | Rating: 4000 A
3WL9111-0AA66-0AA0 Accessory: Rating plug | Size: 3 | Rating: 5000 A
3WL9111-0AA67-0AA0 Accessory: Rating plug | Size: 3 | Rating: 6300 A
3WL9111-0AT53-0AA0 Accessory: Ground-fault module | Version: GFM AT 45B, ETU45B
3WL9111-0AT56-0AA0 Accessory: Ground-fault module | Version: GFM AT 55B – 76B, ETU76B
3WL9111-0AT81-0AA0 Accessory: Display | Version: ETU45B, 4-line
3WL9111-0AA11-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 1
3WL9111-0AA12-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 2
3WL9111-0AA13-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 3
3WL9111-0AA14-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 1
3WL9111-0AA15-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 2
3WL9111-0AA16-0AA0 Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 3
3WL9111-0AA21-0AA0 Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 1
3WL9111-0AA22-0AA0 Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 2
3WL9111-0AA23-0AA0 Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 3
3WL9111-0AA31-0AA0 Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 1
3WL9111-0AA32-0AA0 Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 2
3WL9111-0AA33-0AA0 Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 3
3WL9111-0AK34-0AA0 Accessory: EMC filter | Version: Only for ETU Release 2
3WL9111-0AT45-0AA0 Accessory: Sealable and lockable cover | Version: ETU15B to ETU45B
3WL9111-0AT46-0AA0 Accessory: Sealable and lockable cover | Version: ETU76
3WL9111-0AK21-0AA0 Accessory: Automatic reset of reclosing lockout | Version: Spare part for option K01
3WL9111-0AK30-0AA0 Accessory: Retrofittable internal wiring | Version: CubicleBUS to X8, ETU45B/ETU76B
3WL9111-0AK31-0AA0 Accessory: Retrofittable internal wiring | Version: Ext. N/G CT to X8, not ETU Rel. 2
3WL9111-0AK33-0AA0 Accessory: Retrofittable internal wiring | Version: Ext. N/G CT to X8, ETU Release 2
3WL9111-0AT32-0AA0 Accessory: Manual tester | Version: For ETU15B to ETU76B (Rel. 1 and 2)
3WL9111-0AT44-0AA0 Accessory: Function test unit | Version: For ETU15B to ETU76B (Rel. 1 and 2)
3VW9011-0AT40 Accessory: TD400 test device | Version: For 3VA and 3WL ETU Release 2
3VW9011-0AT43 Accessory: TD400 adapter (spare part) | Version: For 3VA
3VW9011-0AT44 Accessory: TD400 adapter (spare part) | Version: For 3WL ETU Release 1
3VW9011-0AT45 Accessory: TD400 adapter (spare part) | Version: For 3WL ETU Release 2
AccessoriesSiemens
50 product codes available in this family
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Siemens SENTRON 3WL ETU Trip Units, Rating Plugs & Test Devices

Brand Siemens·Accessories

Available part numbers (50)

3WL9311-5AA00-0AA2, 3WL9312-5AA00-0AA2, 3WL9312-7AA00-0AA2, 3WL9314-5AA00-0AA2, 3WL9314-5AA30-0AA2, 3WL9317-6AA00-0AA2, 3WL9317-6AA30-0AA2, 3WL9111-0AA51-0AA0, 3WL9111-0AA52-0AA0, 3WL9111-0AA53-0AA0 + 40 more — see full table ↓

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Product codes & specifications
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RFQ List (0)
Product codeSpec
3WL9311-5AA00-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU15B | Protection: LI | Metering: Without
3WL9312-5AA00-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU25B | Protection: LSI | Metering: Without
3WL9312-7AA00-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU27B | Protection: LSING | Metering: Without
3WL9314-5AA00-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU45B (no display) | Protection: LSIN(G) | Metering: Without
3WL9314-5AA30-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU45B (no display) | Protection: LSIN(G) | Metering: Metering function Plus
3WL9317-6AA00-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU76B | Protection: LSIN(G) | Metering: Without
3WL9317-6AA30-0AA2Accessory: Electronic trip unit (ETU) | Version: ETU76B | Protection: LSIN(G) | Metering: Metering function Plus
3WL9111-0AA51-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 250 A
3WL9111-0AA52-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 315 A
3WL9111-0AA53-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 400 A
3WL9111-0AA54-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 500 A
3WL9111-0AA55-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 630 A
3WL9111-0AA56-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 800 A
3WL9111-0AA57-0AA0Accessory: Rating plug | Size: 1, 2 | Rating: 1000 A
3WL9111-0AA58-0AA0Accessory: Rating plug | Size: 1, 2, 3 | Rating: 1250 A
3WL9111-0AA61-0AA0Accessory: Rating plug | Size: 1, 2, 3 | Rating: 1600 A
3WL9111-0AA62-0AA0Accessory: Rating plug | Size: 1, 2, 3 | Rating: 2000 A
3WL9111-0AA63-0AA0Accessory: Rating plug | Size: 2, 3 | Rating: 2500 A
3WL9111-0AA64-0AA0Accessory: Rating plug | Size: 2, 3 | Rating: 3200 A
3WL9111-0AA65-0AA0Accessory: Rating plug | Size: 2, 3 | Rating: 4000 A
3WL9111-0AA66-0AA0Accessory: Rating plug | Size: 3 | Rating: 5000 A
3WL9111-0AA67-0AA0Accessory: Rating plug | Size: 3 | Rating: 6300 A
3WL9111-0AT53-0AA0Accessory: Ground-fault module | Version: GFM AT 45B, ETU45B
3WL9111-0AT56-0AA0Accessory: Ground-fault module | Version: GFM AT 55B – 76B, ETU76B
3WL9111-0AT81-0AA0Accessory: Display | Version: ETU45B, 4-line
3WL9111-0AA11-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 1
3WL9111-0AA12-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 2
3WL9111-0AA13-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: Without ETU Release 2 | Size: 3
3WL9111-0AA14-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 1
3WL9111-0AA15-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 2
3WL9111-0AA16-0AA0Accessory: Internal N-conductor CT with wiring kit | Version: With ETU Release 2 | Size: 3
3WL9111-0AA21-0AA0Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 1
3WL9111-0AA22-0AA0Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 2
3WL9111-0AA23-0AA0Accessory: External N-conductor CT | Version: Without copper connection pieces | Size: 3
3WL9111-0AA31-0AA0Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 1
3WL9111-0AA32-0AA0Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 2
3WL9111-0AA33-0AA0Accessory: External N-conductor CT | Version: With copper connection pieces | Size: 3
3WL9111-0AK34-0AA0Accessory: EMC filter | Version: Only for ETU Release 2
3WL9111-0AT45-0AA0Accessory: Sealable and lockable cover | Version: ETU15B to ETU45B
3WL9111-0AT46-0AA0Accessory: Sealable and lockable cover | Version: ETU76
3WL9111-0AK21-0AA0Accessory: Automatic reset of reclosing lockout | Version: Spare part for option K01
3WL9111-0AK30-0AA0Accessory: Retrofittable internal wiring | Version: CubicleBUS to X8, ETU45B/ETU76B
3WL9111-0AK31-0AA0Accessory: Retrofittable internal wiring | Version: Ext. N/G CT to X8, not ETU Rel. 2
3WL9111-0AK33-0AA0Accessory: Retrofittable internal wiring | Version: Ext. N/G CT to X8, ETU Release 2
3WL9111-0AT32-0AA0Accessory: Manual tester | Version: For ETU15B to ETU76B (Rel. 1 and 2)
3WL9111-0AT44-0AA0Accessory: Function test unit | Version: For ETU15B to ETU76B (Rel. 1 and 2)
3VW9011-0AT40Accessory: TD400 test device | Version: For 3VA and 3WL ETU Release 2
3VW9011-0AT43Accessory: TD400 adapter (spare part) | Version: For 3VA
3VW9011-0AT44Accessory: TD400 adapter (spare part) | Version: For 3WL ETU Release 1
3VW9011-0AT45Accessory: TD400 adapter (spare part) | Version: For 3WL ETU Release 2

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