TB 4 Series Fuse Modular Terminal Block Supplier
Product introduction
The TB-4 Series Fuse Modular Terminal Block from United Machinery is a compact, DIN-rail mountable fuse terminal designed for safe, tidy and service-friendly overcurrent protection in control panels and distribution blocks. Engineered for industrial and commercial switchgear, TB-4 series combines a secure fuse holder with a standard terminal connection so technicians can protect individual circuits without adding bulky fuse carriers. We are one of well-known leading TB 4 Series Fuse modular terminal block Supplier in West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad, Saudi Arabia & UAE.
Key benefits — why choose TB-4 Series
- Space saving:slim, modular footprint lets you pack more circuits per DIN rail.
- Fast maintenance:fuse replacement and circuit isolation done quickly from the front — minimal downtime.
- Clear identification:captive fuse holder with marking/label area simplifies circuit identification and troubleshooting.
- Versatile protection:supports standard cartridge fuses (selectable fuse ratings), ideal for both control and power circuits.
- Reliable connection:secure conductor clamping (screw or spring type options) for vibration-resistant connections in industrial environments.
- Regulatory ready:designed for use in CE/industrial installations (specify required approvals when ordering).
Variant of TB 4 Series Fuse Modular Terminal Block
TB 4-HESI (5×20) EI | 3075773 |
TB 4-HESILED 24 EI | 3075799 |
TB 4-HESILA 250 EI | 3075812 |
TB 4-HESI (5×20) EI — 3075773
A fuse modular terminal block designed for 5×20 mm cartridge fuses.
It offers reliable circuit protection for low-voltage control and signal circuits.
Features a front-accessible fuse holder, DIN-rail mounting, clear marking area, and safe insulation housing. Ideal for compact control panels and individual circuit protection.
TB 4-HESILED 24 EI — 3075799
This version includes an integrated LED indicator that visibly shows fuse status at 24V supply. When the fuse blows, the LED lights up, allowing quick diagnosis and reducing downtime. Perfect for panels requiring fast fault identification, PLC/automation boards, and industrial machinery.
TB 4-HESILA 250 EI — 3075812
A fuse terminal block with LED indication designed for higher voltage circuits (up to 250V). Provides clear visual indication of fuse failure, safe front-access fuse replacement, and durable insulation housing. Suitable for industrial power distribution, high-voltage control circuits, and equipment protection.
Outstanding features
- Modular, snap-on design for standard 35 mm DIN rails.
- Front-accessible fuse carrier for tool-free fuse change (model dependent).
- Fuse holder compatible with common cartridge sizes (user to specify 5×20 mm or 6.3×32 mm when ordering).
- Conductor termination choices: screw clamp or push-in/spring clamp options.
- Integrated test/auxiliary point (on selected variants) for safe voltage checks without removing the fuse.
- Clear, removable marking strip for circuit labels.
- High insulation material, flame retardant housing.
- Optional touch-proof design and end-covers for safer panel assembly.
Typical applications
- Industrial control panels and motor control centres (MCC).
- Power distribution and sub-distribution boards.
- Building automation & HVAC control systems.
- Machine tool control circuits and safety circuits.
- Renewable energy inverters and combiner boxes.
- Local protection for instrumentation and PLC I/O circuits.
- Marine, oil & gas or remote installations when specified with suitable approvals.
Technical chart
Parameter | Typical value / options |
Number of poles (module width) | 1 pole (modular), can be used side-by-side |
Fuse type | Cartridge fuses — common sizes: 5×20 mm or 6.3×32 mm (specify) |
Rated current (fuse dependent) | Up to 10 A / 16 A / 20 A typical (depends on fuse chosen) |
Rated voltage | 250 V AC / 250–500 V DC (select variant) |
Conductor cross-section | Solid/stranded: 0.2 – 4.0 mm² typical; ferrules recommended |
Connection method | Screw clamp or spring/push-in (model dependent) |
Torque (screw terminals) | Typically 0.5 – 0.6 N·m (follow product label) |
Test point | Optional front test point / auxiliary contact on some variants |
Mounting | 35 mm DIN rail (EN 60715) |
Material / housing | Polyamide, V-0 flame retardant |
Operating temp. | −40 °C to +85 °C (consult datasheet) |
Standards / approvals | Compliant with common industrial norms (CE / IEC class equivalents — confirm for each order) |
Colour | Standard safety colours (e.g., grey body; fuse carrier may be varied) |
Marking | Removable marking strip / laser printing available on request |
Ordering & customization
United Machinery can supply TB-4 Series blocks with the exact options you need:
- Choice of fuse size(5×20 mm or 6.3×32 mm), fuse rating, and fuse type (fast/slow blow).
- Terminal type(screw or spring clamp) and conductor capacity to match cable sizes used on site.
- Auxiliary contactsor test points can be added for remote monitoring and safety checks.
- Custom labeling, packagingand bulk supply for project rollouts to all listed Indian states and Saudi Arabia/UAE.
Quick installation tips
- Use the correct fuse characteristic (gG, aR, or time-delay) to match motor/transformer inrush.
- Fit ferrules on fine-stranded conductors for reliable screw connections.
- Verify torque settings printed on the terminal block to avoid loose or damaged terminals.
- Keep spare fuses and a clear labeling scheme inside the panel for faster servicing.
We Supply Across India and International
- West Bengal
- Bihar
- Odisha
- Chhattisgarh
- Jharkhand:Ranchi
- Maharashtra:Mumbai, Pune, Nagpur, Aurangabad
- Rajasthan:Jaipur
- Haryana:Faridabad
- Madhya Pradesh:Bhopal, Indore
- Gujarat:Ahmedabad, Surat, Vadodara
- Assam
- Tripura:Agartala
- Andhra Pradesh:Visakhapatnam
- Meghalaya
- Karnataka:Bengaluru
- Manipur:Imphal
- Tamil Nadu:Chennai, Coimbatore
- Hyderabad
- International Supply:
- Saudi Arabia:Al Jubail, Jeddah, Riyadh, Al Khobar
- UAE:Abu Dhabi, Dubai, Ruwais, Umm Al Quwain
Why buy from United Machinery
United Machinery is a trusted supplier with experience supplying control components across West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad, and exporting to Saudi Arabia & UAE. We provide product support, local delivery, and technical assistance to help you choose the right TB-4 model for your application.
