Product Short Description
Product Name: Socapel BA4-60-80-310 – Terminal Block, 4-Pole, 60 A, 800 V, Screw Clamp, 3-Level, Gray
Product Overview:
The Socapel BA4-60-80-310 is a 4-pole screw-clamp terminal block rated at 60 A and 800 V. Designed for power distribution in industrial control panels and switchgear. 3-level configuration.
Description
Technical Specifications:
| Parameter | Value |
|---|---|
| Poles | 4 |
| Rated Current | 60 A |
| Rated Voltage | 800 V AC/DC |
| Rated Impulse Voltage | 8 kV |
| Wire Cross Section | 0.5–35 mm² (Cu) / 0.5–25 mm² (Al) |
| Screw Torque | 1.2 N·m |
| Levels | 3 (triple-deck) |
| Color | Gray (RAL 7035) |
| Mounting | DIN rail 35 mm (TS 35) / screw mounting |
| Operating Temperature | -40°C to +105°C |
| Protection | IP20 (finger-proof) |
| Standards | IEC 60947-7-1, UL 508, CSA |
| Material (Flammability) | UL94 V-0 |
Functional Features:
- 3-level design saves 66% panel space vs. single-level
- Screw clamp termination (no tools required for wire insertion)
- Bridgeable between adjacent poles (with bridge pieces)
- Test disconnect function (per pole)
- Marking strip (continuous, white) for circuit identification
- Transparent safety cover (optional accessory)
Material Composition:
- Housing: Polyamide 6.6 (PA66) – glass-fiber reinforced (30% GF), UL94 V-0
- Contacts: Copper alloy (CuZn39Pb3) – tin-plated
- Screws: Steel, zinc-plated, yellow passivated (Cr3+)
- Marking strip: Polycarbonate (PC)
- Bridge pieces: Copper alloy, tin-plated
Structural Features:
- Width: 28.5 mm (per level) × 3 levels = 85.5 mm total
- Height: 105 mm (including end stops)
- Depth: 81 mm
- End stop and separator clips included
- DIN rail clip: spring steel, nickel-plated
Working Principle:
Wire inserted into clamp → screw tightened (1.2 N·m) → contact pressure (spring + screw) ensures gas-tight connection. Current flows through copper contact → screw clamp → wire. Bridge piece connects adjacent poles electrically.
Advantages:
- 60 A per pole in compact 3-level design
- Tool-free wiring (screw clamp, no ferrules required for Cu wire ≤ 10 mm²)
- Glass-fiber PA66 housing withstands 105°C continuous operation
- Bridgeable for flexible circuit configuration
Applicable Industries:
- Power distribution panels
- Motor control centers (MCC)
- Switchgear
- Renewable energy (solar, wind inverters)
- Industrial automation
Installation Requirements:
- DIN rail TS 35 (EN 60715), 35 mm width
- Torque on DIN rail screws: 2.5 N·m
- Wire stripping length: 10–12 mm
- Max torque on screw: 1.2 N·m (over-torque damages contact)
Usage Notes:
- Strip wire to exactly 10–12 mm – too short = poor contact, too long = risk of short circuit
- Do not mix Cu and Al wires on same terminal block (use transition terminal)
- For Al wires, use anti-oxidant paste on contact surface
- Verify torque with calibrated screwdriver (1.2 N·m ± 10%)
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