SIBA 189140 Time-Lag Miniature Fuse-Link Series, 100 mA–32 A, 6.3 × 32 mm
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SIBA Type 189140 is a time-lag miniature fuse-link series in the 6.3 × 32 mm format, covering 26 exact article numbers from 100 mA to 32 A. The series uses a non-transparent ceramic tube with filling and brass, nickel-plated end caps. Across the family, the rated AC breaking capacity is 1.5 kA at the voltage assigned to each model; rated voltage is 500 VAC through 16 A, 440 VAC at 20 A and 25 A, and 250 VAC at 32 A. This page organizes the verified current ratings, electrical loss data, I²t values, and approval markings so procurement teams can compare exact SIBA article numbers before ordering or replacement.
189140 Series Overview
The 189140 family is identified by SIBA as a T characteristic, time-lag miniature fuse-link. All listed models share the 6.3 × 32 mm body format and the same basic ceramic-tube construction, while rated current, rated AC voltage at the upper current ratings, voltage drop, power dissipation, I²t value, and approval status vary by model. SIBA divides the published fusing-time limits into two current groups: 100 mA through 1.6 A and 2 A through 32 A.
Technical Specifications
| Specification | Series Data |
|---|---|
| Product type | Miniature fuse-link |
| Time characteristic | T, time-lag |
| Dimensions | 6.3 × 32 mm (0.25 × 1.25 in) |
| Series current range | 100 mA to 32 A |
| Rated AC breaking capacity | 1.5 kA at the model-specific rated AC voltage |
| Tube construction | Non-transparent ceramic tube with filling |
| End caps | Brass, nickel-plated |
Technical data reference: SIBA G-Sicherungseinsätze Miniature Fuse-Links, Type 189140, document G89140-30 / Rev. 0 / 45 / 14.03.2007.
189140 Model Selection
The 189140 series provides 26 verified rated-current options from 100 mA through 32 A. Models through 16 A are rated for 1.5 kA breaking capacity at AC 500 V, the 20 A and 25 A models are rated at AC 440 V, and the 32 A model is rated at AC 250 V. Compare rated current, applicable voltage, power dissipation, I²t value, and the UL-recognition marking shown for the required article number; for DC use, also verify the model-specific footnote and approval conditions in the SIBA data. SIBA states that adequate heat dissipation should be considered when using this type from 6.3 A upward.
Variant Model Matrix
| Exact Model / MPN | Rated Current | Rated Breaking Capacity | Power Dissipation @ 1.5 In | I²t Value | UL rec. |
|---|---|---|---|---|---|
| 189140.0,1 | 100 mA | 1.5 kA @ AC 500 V | 1.3 W | 0.04 A²s | Yes |
| 189140.0,125 | 125 mA | 1.5 kA @ AC 500 V | 1.4 W | 0.06 A²s | Yes |
| 189140.0,16 | 160 mA | 1.5 kA @ AC 500 V | 1.5 W | 0.1 A²s | Yes |
| 189140.0,2 | 200 mA | 1.5 kA @ AC 500 V | 1.6 W | 0.18 A²s | Yes |
| 189140.0,25 | 250 mA | 1.5 kA @ AC 500 V | 1.7 W | 0.25 A²s | Yes |
| 189140.0,315 | 315 mA | 1.5 kA @ AC 500 V | 1.8 W | 0.45 A²s | Yes |
| 189140.0,4 | 400 mA | 1.5 kA @ AC 500 V | 2.0 W | 0.45 A²s | Yes |
| 189140.0,5 | 500 mA | 1.5 kA @ AC 500 V | 0.6 W | 0.35 A²s | Yes |
| 189140.0,63 | 630 mA | 1.5 kA @ AC 500 V | 0.7 W | 0.49 A²s | Yes |
| 189140.0,8 | 800 mA | 1.5 kA @ AC 500 V | 0.8 W | 0.9 A²s | Yes |
| 189140.1 | 1 A | 1.5 kA @ AC 500 V | 0.9 W | 1.4 A²s | Yes |
| 189140.1,25 | 1.25 A | 1.5 kA @ AC 500 V | 1.0 W | 3.2 A²s | Yes |
| 189140.1,6 | 1.6 A | 1.5 kA @ AC 500 V | 1.1 W | 5.2 A²s | Yes |
| 189140.2 | 2 A | 1.5 kA @ AC 500 V | 1.2 W | 10 A²s | Yes |
| 189140.2,5 | 2.5 A | 1.5 kA @ AC 500 V | 1.3 W | 19 A²s | Yes |
| 189140.3,15 | 3.15 A | 1.5 kA @ AC 500 V | 1.4 W | 37 A²s | Yes |
| 189140.4 | 4 A | 1.5 kA @ AC 500 V | 1.5 W | 68 A²s | Yes |
| 189140.5 | 5 A | 1.5 kA @ AC 500 V | 2.2 W | 80 A²s | Yes |
| 189140.6,3 | 6.3 A | 1.5 kA @ AC 500 V | 2.2 W | 215 A²s | Yes |
| 189140.8 | 8 A | 1.5 kA @ AC 500 V | 2.6 W | 370 A²s | Yes |
| 189140.10 | 10 A | 1.5 kA @ AC 500 V | 3.0 W | 620 A²s | Yes |
| 189140.12,5 | 12.5 A | 1.5 kA @ AC 500 V | 3.5 W | 1300 A²s | Yes |
| 189140.16 | 16 A | 1.5 kA @ AC 500 V | 4 W | 2500 A²s | Yes |
| 189140.20 | 20 A | 1.5 kA @ AC 440 V | 6 W | 3400 A²s | Not shown |
| 189140.25 | 25 A | 1.5 kA @ AC 440 V | 8 W | 5600 A²s | Not shown |
| 189140.32 | 32 A | 1.5 kA @ AC 250 V | 10 W | 3900 A²s | Not shown |
Verified Applications
The manufacturer sheet does not state specific end-use application categories for Type 189140. Selection should therefore remain tied to the documented current, voltage, breaking-capacity, time-lag, thermal, dimensional, and approval requirements of the equipment or circuit.
B2B Sourcing and Replacement Support
Apexon Supply provides B2B sourcing support for the SIBA 189140 series, including exact-model identification and replacement-sourcing review. Confirm the complete article number, rated current, applicable voltage, 6.3 × 32 mm format, time characteristic, and equipment requirements before replacement.
For RFQ review, submit the complete SIBA article number, required quantity, selected current rating, and relevant application or equipment details. Apexon Supply can assist with sourcing options and technical alignment for procurement and maintenance requirements.
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