| Part Number: | ULO | - | TB41 | - | 635 | / | 7.62 | - | 02 | P | - | 4 | 0 | 0 | 0A |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand |
Series Code TB37 - 6.35mm-pitch model |
Model 635 - Rising-clamp PCB terminal block |
Pitch 6.35 - 6.35mm pitch; TB37 only |
Positions 02-24 - Two to twenty-four positions, written as two digits |
Position Unit P - Position-count suffix |
Color 1 - Gray |
Screw Head 0 - Slot screw in the illustrated standard suffix |
Clamping 0 - Screw-down clamping in the illustrated standard suffix |
Product Version 0A - Standard product |
635 terminal blocks provide top screw access and side wire entry in a single connection row. The 6.35mm and 7.62mm versions share a 21.5mm housing height and 12.5mm depth, while their current and impulse ratings differ. Each version is available in 2-24 poles.
| Model | Product reference | Pitch | Poles | Housing length for N poles | First-to-last pin span |
|---|---|---|---|---|---|
| 635/6.35 | ULO-TB37-635/6.35 | 6.35mm | 2-24 | 6.35 × N mm | 6.35 × (N−1) mm |
| 635/7.62 | ULO-TB41-635/7.62 | 7.62mm | 7.62 × N mm | 7.62 × (N−1) mm |
| Model | IEC condition | Current | Voltage | Impulse voltage |
|---|---|---|---|---|
| 635/6.35 | Overvoltage category III, pollution degree 2 | 32A | 450V | 4kV |
| 635/7.62 | 30A | 6kV |
Separate values are not specified for category III / pollution degree 3 or category II / pollution degree 2.
| Applicable models | UL use group | Current | Voltage | Wire range |
|---|---|---|---|---|
| Both | B | 30A | 300V | 26-10AWG |
| C | Not specified | Not specified | Not specified separately | |
| D | 10A | 300V | 26-10AWG |
| Property | Both models |
|---|---|
| Solid conductor | 1.5-4mm² |
| Flexible conductor | 1.5-4mm² |
| Flexible conductor with ferrule | 1.5-4mm² |
| Stripping length | 6-7mm |
| Clamping screw | M3 |
| Tightening torque | 0.5N·m |
| Dimension | 635/6.35 | 635/7.62 |
|---|---|---|
| Housing height above seating plane | 21.5mm | |
| Housing depth | 12.5mm | |
| Solder tail length | 5±0.3mm | |
| Pin cross section | 1mm × 0.8mm | |
| PCB hole diameter | 1.6-1.7mm | |
| Pin-row offset from indicated housing edge | 4.5mm | |
| Additional internal section reference | 3.58mm, as shown in the attached drawing | Not specified |


| Property | Both models |
|---|---|
| Connection method | Screw-operated rising clamp |
| Connection rows | 1 |
| Housing sections | Two-pole and three-pole PA66 sections |
| Insulation material group | I |
| Flammability classification | UL94V-0 |
| Solder pin | Nickel-plated brass |
| Screw | Zinc-plated steel |
| Protection rating | IP20 |
| Operating temperature | -40°C to +105°C |
| Material compliance | RoHS |
| Field | Selection |
|---|---|
| 6.35mm model format | ULO-TB37-635/6.35-XXP-Y000A |
| 7.62mm model format | ULO-TB41-635/7.62-XXP-Y000A |
| XX pole count | 02-24 |
| Y color | 1 gray; 2 blue; 3 black; 4 green; 5 orange; 6 red; 7 transparent; 8 yellow; 9 white |
| Screw head field | 0 slot; 1 cross |
| Screw clamping field | 0 screw down; 1 screw up |
| Final 0A | Standard product |
| 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 | 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 |