Phoenix Contact PTTB 4 Double-Level Terminal Block, 4 mm², Push-in Connection, Gray – 3211786

Description

Product Overview
The Phoenix Contact PTTB 4 double-level terminal block, manufacturer item number 3211786, belongs to the PT terminal block family. It is designed to organize electrical connections efficiently by integrating two separate connection levels into one compact terminal block.
Its push-in connection technology allows compatible conductors to be connected without manually tightening a screw at each terminal point. The block supports DIN rail installation and works with compatible CLIPLINE complete bridging, marking, and testing accessories.

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Technical Specifications
Specification Verified details
Brand Phoenix Contact
Model PTTB 4
Manufacturer part number 3211786
Product type Double-level terminal block
Rated conductor cross-section 4 mm²
Nominal current 28 A
Maximum load current 32 A with a 6 mm² rigid conductor
Nominal voltage 500 V
Connection technology Push-in connection
Number of levels 2
Number of connections 4
Number of separate potentials 2
Conductor range 0.2–6 mm²
Flexible conductor range with ferrule 0.25–4 mm²
Conductor stripping length 10–12 mm
Mounting type NS 35/7.5 and NS 35/15 DIN rails
Colour Gray, RAL 7042
Product family PT
Standard IEC 60947-7-1
Packing unit 50 pieces
GTIN 4046356482707
Specifications are based on the manufacturer’s published product information. The maximum load current depends on conductor type and cross-section.

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Key Features and Benefits
– Two-level wiring: Combines two connection levels in a single terminal block to help save control-panel space.
– Push-in connection: Supports quick conductor installation and efficient wiring.
– Compact design: Helps increase connection density in electrical cabinets.
– Vibration-resistant connections: Spring-based connection technology supports reliable connections in suitable industrial environments.
– DIN rail mounting: Compatible with specified NS 35 mounting rails.
– Accessory compatibility: Supports standardized CLIPLINE complete bridging, marking, and testing accessories.
– Industrial versatility: Suitable for machinery, plant engineering, process industry, and railway-related applications.

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Applications
The Phoenix Contact PTTB 4 terminal block is suitable for:
– Industrial automation control panels
– Machine-building electrical cabinets
– Process control systems
– Industrial plant wiring
– Railway electrical equipment
– Compact multi-level terminal assemblies
Installation and Buyer Guidance
Before purchasing, confirm the conductor cross-section, operating voltage, current requirements, and required accessories. Use the specified 10–12 mm conductor stripping length and ensure that the selected conductor type is compatible with the push-in connection.
This model provides two electrical potentials across two connection levels. Check the wiring diagram and accessory requirements before using it in a specific circuit.
UAE Availability and Quotation
Dynavation Star Electrical Fittings Trading LLC supplies electronic and industrial electrical components to customers across the UAE. Contact our team to enquire about the Phoenix Contact PTTB 4 double-level terminal block, item 3211786.
Contact Dynavation Star on WhatsApp for the latest price and availability