• Siemens SENTRON 3VA auxiliary releases (shunt trips, UVR, UNI)
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Siemens SENTRON 3VA auxiliary releases (shunt trips, UVR, UNI)

Siemens SENTRON 3VA auxiliary releases (shunt trips, UVR, UNI)

Shunt trips, undervoltage releases, universal releases and UVR time-delay devices for SENTRON 3VA1/3VA2 MCCBs.

Key features

  • Shunt trips left STL with particularly low power consumption, EI version for electrical interlocking
  • Shunt trips flexible STF with flexible installation (3VA20-3VA24)
  • Universal releases UNI combine shunt trip and undervoltage release
  • Undervoltage releases UVR trip the breaker when the monitored voltage drops below a minimum limit
  • Time-delay devices available for undervoltage releases

Specifications

Brand Siemens
Product type Molded case circuit breaker accessory
Catalogue chapter LV 10 chapter 2, Molded Case Circuit Breakers
Applicable frames 3VA10-15, 3VA20-26
Ordering Article numbers as printed in LV 10
Product line SENTRON 3VA molded case circuit breakers
Mounting Internal accessory slots
Source Siemens Catalog LV 10 · 2026, p. 209-209
3VA9988-0BL10 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL30 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 24 V | Ue DC: 24 … 30 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL31 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 48 … 60 V | Ue DC: 48 … 60 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL32 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 110 … 127 V | Ue DC: 110 … 127 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL33 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 208 … 277 V | Ue DC: 220 … 250 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL20 Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 380 … 600 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9988-0BM10 Item: Shunt trips left STL | Version: Electrical (EI) | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BA20 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 24 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA21 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 48 … 60 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA22 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 110 … 127 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA23 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 208 … 277 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA24 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 380 … 500 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA25 Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 600 V | Ue DC: – | Frame: 3VA20-24
3VA9908-0BD11 Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BD12 Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BD13 Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 48 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB10 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB11 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB12 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 48 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB13 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 60 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB14 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 125 … 127 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB15 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 220 … 230 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB16 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 250 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB20 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 24 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB21 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 48 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB22 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 60 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB23 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 110 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB24 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 120 … 127 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB25 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 208 … 230 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB26 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 380 … 400 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB27 Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 440 … 480 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF21 Item: UVR time-delay device | Ue AC 50/60 Hz: 110 V | Ue DC: 110 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF22 Item: UVR time-delay device | Ue AC 50/60 Hz: 230 V | Ue DC: 230 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF23 Item: UVR time-delay device | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
AccessoriesSiemens
34 product codes available in this family
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Siemens SENTRON 3VA auxiliary releases (shunt trips, UVR, UNI)

Brand Siemens·Accessories

Available part numbers (34)

3VA9988-0BL10, 3VA9988-0BL30, 3VA9988-0BL31, 3VA9988-0BL32, 3VA9988-0BL33, 3VA9988-0BL20, 3VA9988-0BM10, 3VA9988-0BA20, 3VA9988-0BA21, 3VA9988-0BA22 + 24 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3VA9988-0BL10Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL30Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 24 V | Ue DC: 24 … 30 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL31Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 48 … 60 V | Ue DC: 48 … 60 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL32Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 110 … 127 V | Ue DC: 110 … 127 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL33Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 208 … 277 V | Ue DC: 220 … 250 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BL20Item: Shunt trips left STL | Version: Standard | Ue AC 50/60 Hz: 380 … 600 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9988-0BM10Item: Shunt trips left STL | Version: Electrical (EI) | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BA20Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 24 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA21Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 48 … 60 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA22Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 110 … 127 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA23Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 208 … 277 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA24Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 380 … 500 V | Ue DC: – | Frame: 3VA20-24
3VA9988-0BA25Item: Shunt trips flexible STF | Ue AC 50/60 Hz: 600 V | Ue DC: – | Frame: 3VA20-24
3VA9908-0BD11Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BD12Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BD13Item: Universal releases UNI | Ue AC 50/60 Hz: – | Ue DC: 48 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB10Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 12 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB11Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB12Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 48 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB13Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 60 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB14Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 125 … 127 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB15Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 220 … 230 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB16Item: Undervoltage releases UVR | Ue AC 50/60 Hz: – | Ue DC: 250 V | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB20Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 24 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB21Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 48 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB22Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 60 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB23Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 110 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB24Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 120 … 127 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB25Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 208 … 230 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB26Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 380 … 400 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9908-0BB27Item: Undervoltage releases UVR | Ue AC 50/60 Hz: 440 … 480 V | Ue DC: – | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF21Item: UVR time-delay device | Ue AC 50/60 Hz: 110 V | Ue DC: 110 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF22Item: UVR time-delay device | Ue AC 50/60 Hz: 230 V | Ue DC: 230 V | Frame: 3VA10-15, 3VA20-26
3VA9988-0BF23Item: UVR time-delay device | Ue AC 50/60 Hz: – | Ue DC: 24 V | Frame: 3VA10-15, 3VA20-26

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