| Part Number: | ULO | - | TB182 | - | PTC4 | - | HESI | ( | 5X20 | ) |
|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand |
Product Code TB120 - PT4 upright holder model |
Terminal Model PT4 - Upright holder; 4mm² nominal cross-section; TB120 only |
Fuse Version HESI - Fixed push-in fuse-holder version |
Fuse Size 5X20 - Holder for a 5×20mm fuse link; both listed models |
PT4-HESI(5X20) and PTC4-HESI(5X20) provide push-in conductor connections with a holder for a 5×20mm fuse link. Each terminal has two connections in one level and one circuit potential when the fuse path is closed. Select the holder profile and allow space to operate it when arranging the terminal row.
| Model | Product reference | Holder profile | Width | Length | Overall height | Height above rail seating datum | Nominal cross section |
|---|---|---|---|---|---|---|---|
| PT4-HESI(5X20) | ULO-TB120-PT4-HESI(5X20) | Upright | 6.15mm | 55.9mm | 63.39mm | 57.39mm | 4mm² |
| PTC4-HESI(5X20) | ULO-TB182-PTC4-HESI(5X20) | Low horizontal holder | 8.15mm | 67.8mm | 41.52mm | 35.52mm | 1mm² |
Nominal cross section is distinct from the permitted conductor range below. The illustrated PT4 holder carries a 24V AC/DC marking; this identifies the illustrated holder configuration and does not replace the terminal's insulation rating. No indicator operating range is specified.
For PTC4-HESI(5X20), the rail-centre references are also 17.5mm and 28mm. Its separate dimensional drawing is provided as an attachment.
| Applicable models | Condition | Nominal current | Maximum load current | Nominal voltage | Rated impulse voltage |
|---|---|---|---|---|---|
| PT4-HESI(5X20), PTC4-HESI(5X20) | Overvoltage category III, pollution degree 3 | 6.3A | 6.3A | 500V | 6kV |
| Both models | Category III, pollution degree 2; category II, pollution degree 2 | Not specified separately | Not specified separately | Not specified | Not specified |
The fuse link must be selected for the circuit and holder ratings; a terminal current rating does not specify a fuse operating characteristic.
| Applicable models | UL use group | Current | Voltage | Conductor range |
|---|---|---|---|---|
| Both models | B | 6.3A | 300V | 24-10AWG |
| C, D | Not specified | Not specified | Not specified separately |
| Applicable models | Conductor type | Cross section | AWG range | Stripping length |
|---|---|---|---|---|
| Both models | Solid | 0.2-6mm² | 24-10AWG | 10-12mm |
| Flexible, without ferrule | 0.2-4mm² | 24-12AWG | ||
| Flexible, with ferrule | 0.25-4mm² | Not specified separately |
| Property | Both models |
|---|---|
| Connection method | Push-in |
| Protection rating | IP20 |
| Operating temperature | -40°C to +105°C |
| Insulation | PA66, material group I |
| Flammability classification | UL94V-0 |
| Contacts | Tin-plated copper alloy |
| Accessory | References for both models |
|---|---|
| Marker strips | ULO-TB391-ZB6; ULO-TB391-ZBF6 |
| End clamps | ULO-TB393-E/UK; ULO-TB393-E/UK1; ULO-TB393-E-WA |
| DIN rail | NS35/7.5 |
| End cover, partition plate, pluggable bridge | Not specified |
Accessory references are separate selection items and do not indicate that they are included.
| Dimension range | Total pitch tolerance | Nominal dimension tolerance |
|---|---|---|
| 0-30mm | ±0.18mm | ±0.20mm |
| >30-53mm | ±0.20mm | ±0.25mm |
| >53-70mm | ±0.25mm | ±0.30mm |
| >70-90mm | ±0.30mm | ±0.35mm |
| >90-115mm | ±0.35mm | ±0.44mm |
| >115-150mm | ±0.44mm | ±0.55mm |
| >150-200mm | ±0.55mm | ±0.70mm |
| >200-250mm | ±0.70mm | ±0.80mm |
| >250-320mm | ±0.75mm | ±0.90mm |
| Geometric property | Applicable range | Tolerance |
|---|---|---|
| Perpendicularity | Up to 10mm | 0.2mm |
| Over 10mm | 0.3mm | |
| Symmetry | All | 0.3mm |
| Straightness | Up to 100mm | 0.2mm |
| Parallelism | 100-150mm | 0.3mm |
| Over 150mm | 0.5mm |
