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Modular TBs

Modular Terminal Blocks: The Backbone of Industrial Wiring

Modular terminal blocks, also known as DIN-rail mount terminal blocks or rail-mounted terminals, are essential components for organizing and securing electrical connections in control panels and distribution boards. These blocks are designed for quick installation on standard 35mm DIN rai...

Modular Terminal Blocks: The Backbone of Industrial Wiring

Modular terminal blocks, also known as DIN-rail mount terminal blocks or rail-mounted terminals, are essential components for organizing and securing electrical connections in control panels and distribution boards. These blocks are designed for quick installation on standard 35mm DIN rails (EN 60715) and are available in various configurations including feed-through, ground, fuse, disconnect, and double-level types. Key technical specifications include rated cross-sections from 1.5 mm² to 240 mm², rated voltages up to 1000V AC/DC, and rated currents from 10A to 400A depending on the model. Materials typically include polyamide (PA) or polycarbonate (PC) insulation with copper alloy conductors, offering high flame resistance (UL 94 V-0) and vibration-proof connections via screw, spring-cage, or push-in clamping technologies.

Applications and Sectors

Modular terminal blocks are widely deployed in industrial automation, building management systems, power distribution, and renewable energy installations. They are found in motor control centers (MCCs), programmable logic controller (PLC) cabinets, variable frequency drive (VFD) panels, and junction boxes. Specific sectors include manufacturing plants, oil and gas facilities, water treatment plants, and commercial buildings where reliable wiring termination is critical for safety and maintenance.

Subcategories and Key Articles

Our inventory includes subcategories such as feed-through terminal blocks (e.g., PX041-1001 for 4 mm², 32A), ground terminal blocks (e.g., PX041-2001 for 6 mm², 41A), fuse terminal blocks (e.g., PX041-3001 with 5x20mm fuse holder), and disconnect terminal blocks (e.g., PX041-4001 with knife switch). The article code structure typically follows PX041-XXXX where the first two digits indicate the subcategory (10 for feed-through, 20 for ground, 30 for fuse, 40 for disconnect) and the last two digits denote the cross-section or variant. Other notable codes include PX041-5001 for double-level blocks and PX041-6001 for thermocouple blocks.

Business Benefits and Support

Electric Automation Network offers express worldwide shipping with real-time pricing and stock availability. Our team of specialized engineers provides personalized technical support for selecting the correct terminal block type, current rating, and accessories like end brackets, marking tags, and partition plates. Each product includes detailed technical documentation, ensuring compliance with IEC 60947-7-1 and UL 1059 standards.

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PDF CATALOG PHOENIX TERMINAL BLOCKS EN
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Manufacturer Code Reference Catalog Number Description Delivery Price

3042395

SC 2,5/ 4 NZ:1

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COMBI receptacle

COMBI coupling, rated voltage: 500 V, rated current: 24 A, connection type: Spring connection, Sizing cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², color: gray

COMBI coupling, rated voltage: 500 V, rated current: 24 A, number of connections: 1, number of poles: 4, connection type: Spring connection, Sizing cross-section: 2.5 mm2, cross-section: 0.08 mm2 - 4 mm2, color: gray

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0203331

EB 4-10

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Insertion bridge

Bridge comb, color: gray

Insertion bridge, number of positions: 4, color: gray

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3248208

MP 18X1,5 RD

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Micro feed-through terminal block

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3061981

PPC 1,5/S-NS/18

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COMBI receptacle

COMBI coupling, connection type: Push-in connection, number of connections: 1, number of poles: 18, section: 0.14 mm² - 1.5 mm², AWG: 26 - 14, width: 63 mm, height: 17.8 mm, color: grey, mounting class: NS 35/15, NS 35/7.5

COMBI coupling, rated voltage: 500 V, rated current: 17.5 A, number of connections: 1, number of poles: 18, connection type: Push-in connection, 1st floor, Sizing cross-section: 1.5 mm2, cross-section: 0.14 mm2 - 1.5 mm2, mounting class: NS 35/15, NS 35/7.5, color: gray

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2303530

USBRNJ 2-7

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Switching jumper

Bridge link, color: silver

Bridge bar, number of positions: 2, color: silver

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2303174

EBL 5- 5

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Insertion bridge

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3022328

UK 10 N BK

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Feed-through terminal block

Feed-through terminal, nominal voltage: 800 V, nominal current: 57 A, number of connections: 2, number of poles: 1, connection type: Screw connection, Dimensioning cross-section: 10 mm², cross-section: 0.5 mm² - 16 mm², mounting class: NS 35/7.5, NS 35/15, colour: black

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3034044

DT 2,5-PE

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Direct connection ground terminal block

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3037589

D-STS 2,5 OG

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End cover

End cap, length: 51 mm, width: 2.2 mm, height: 43 mm, color: orange

End cover, depth: 43 mm, width: 2.2 mm, height: 51 mm, color: orange

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3048700

UK 10,3-CC HESILED N 72 2POL

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Fuse modular terminal block

Fuse terminal block, fuse type: Glass, connection type: Screw connection, cross-section: 1.5 mm²- 25 mm², AWG: 16 - 4, rated current: 32 A, rated voltage: 72 V, width: 36 mm, fuse type: Class DC, mounting class: NS 35/7.5, NS 35/15, color: black

Rail terminal for fuse, fuse type: Glass, fuse type: DC class, nominal voltage: 72 V, nominal current: 32 A, connection type: Screw connection, Sizing cross-section: 25 mm2, cross-section: 1.5 mm2- 25 mm2, mounting class: NS 35/7.5, NS 35/15, color: black

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3047701

UT 4-MTD WH

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Feed-through terminal block

Feed-through terminal, nominal voltage: 800 V, nominal current: 41 A, number of connections: 2, number of poles: 1, connection type: Screw connection, Sizing cross-section: 4 mm², cross-section: 0.14 mm² - 6 mm², installation class: NS 35/7.5, NS 35/15, color: white

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5029125

LB 100-6 BRUECKE OHNE SCHRAUB

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Jumper

Bridge, pitch: 6.15 mm, colour: silver

Bridge, pitch: 6.15 mm, number of poles: 100, length: 613 mm, colour: silver-coloured

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3001572

FBRN 5-4 N

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Fixed bridge

Fixed bridge, color: silver

Fixed jumper, number of poles: 5, colour: silver-coloured

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3214929

RSC 5-T-F-B

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Test disconnect terminal block

Feed-through terminal block with stud connection technology, cross-section: 0.1 - 6 mm², AWG: 26 - 10, width 16.3 mm, colour: Grey

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2775250

UDK 4-DUR 499

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Component terminal block

1-level terminal block with double connection on both sides, with inserted resistance of 499 Ω, ± 0.1%, 0.5W, TCR ± 10 ppm/K, cross-section: 0.2 - 2.5 mm², width: 6.2 mm, colour: grey

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3248100

MPT 1,5/S

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Mini feed-through terminal block

Mini-terminal block, nominal voltage: 500 V, nominal current: 17.5 A, number of connections: 2, connection type: Push-in connection, 1st floor, Dimensioning cross-section: 1.5 mm², cross-section: 0.14 mm² - 1.5 mm², mounting class: NS 15, colour: grey

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0441025

USLKG 2,5

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Ground modular terminal block

Terminal block, number of connections: 2, number of poles: 1, type of connection: Screw connection, cross-section: 0.2 mm² - 4 mm², type of fixing: PE foot with fixing screw, M3, mounting class: NS 35/7.5, NS 35/15, NS 32, color: yellow-green

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0913184

HS 50 A

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Adapter sleeve

Extra adjustment bushing, rated current: 50 A, colour: white

Extra adjustment bushing, rated current: 50 A, colour: white

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0710918

EB 2-8 OG

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Insertion bridge

Bridge comb, 2-pole, insulated, color of the insulating material: orange

Insertion bridge, 2-pos., fully insulated, color of the insulation material: orange

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3025079

FBST 3-5

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Plug-in bridge

Plug-in bridge, pitch: 5.2 mm, colour: grey

Plug-in bridge, pitch: 5.2 mm, number of positions: 3, color: gray

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2770969

UKK 3-MSTB-5,08 AU 32L

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Double-level terminal block

Double-level terminal block, 32 locked poles, nominal voltage: 250 V, nominal current: 10 A, number of connections: 128, number of poles: 32, connection type: Screw connection / plug-in connection, 1. And 2nd floor, connection on the left, cross-section: 0.2 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, NS 32, color: gray

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3029567

FBSTB 80-ZDIK BN

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Bridge for potential distribution

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3215040

PTPOWER 150 P-F

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High-current terminal block

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3215041

PTTB 2,5-2DIO/O-UR/UL-UR

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Component terminal block

Component terminal block, with integrated diode 1N4007, nominal voltage: 500 V, nominal current: 0.5 A, number of connections: 4, connection type: Push-in connection, 1st and 2nd floor, Dimensioning cross-section: 2.5 mm², cross-section: 0.14 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, colour: grey

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3213945

PTI 2,5-L/LB

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Installation level terminal block

Distribution floor terminal block, built-in feed-through connector, nominal voltage: 400 V, nominal current: 24 A, Push-in connection, 1st and 2nd floor, Dimensioning section: 4 mm², cross-section: 0.14 mm² - 4 mm², Push-in connection, Dimensioning section: 1.5 mm², mounting class: NS 35/7.5, NS 35/15, color: gray

Terminal block for installations, with integrated feed-through connector, nominal voltage: 400 V, nominal current: 24 A, Push-in connection, 1st and 2nd stage, Reference cross-section: 4 mm2, Cross-section: 0.14 mm2 - 4 mm2, Push-in connection, Reference cross-section: 1.5 mm2, Installation type: NS 35/7.5, NS 35/15, Colour: grey

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3213944

PTI 2,5-LO/LO

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Installation level terminal block

Distribution floor terminal block, without actuation latch on the power side, nominal voltage: 400 V, nominal current: 24 A, Push-in connection, 1., 2. and 3rd floor, Dimensioning cross-section: 4 mm², cross-section: 0.14 mm² - 4 mm², Push-in connection, mounting class: NS 35/7.5, NS 35/15, color: gray

Installation level terminal block, without actuating push button on the feed-in side, nom. voltage: 400 V, nominal current: 24 A, Push-in connection, 1st, 2nd and 3rd level, Rated cross section: 4 mm2, cross section: 0.14 mm2 - 4 mm2, Push-in connection, mounting type: NS 35/7,5, NS 35/15, color: gray

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3041453

SC 2,5-NS/ 3 (1GNYE/2GY)

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COMBI receptacle

COMBI coupling, nominal voltage: 500 V, nominal current: 24 A, connection type: Spring connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, colour: green/yellow-grey

COMBI coupling, rated voltage: 500 V, rated current: 24 A, number of connections: 1, number of poles: 3, connection type: Spring connection, Sizing cross-section: 2.5 mm2, cross-section: 0.08 mm2 - 4 mm2, mounting class: NS 35/7.5, NS 35/15, color: green/yellow-gray

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3041454

SC 2,5-NS/ 4 (1GNYE/3GY)

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COMBI receptacle

COMBI coupling, nominal voltage: 500 V, nominal current: 24 A, connection type: Spring connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, colour: green/yellow-grey

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3041457

SC 2,5-NS/ 7 (1GNYE/6GY)

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COMBI receptacle

COMBI coupling, nominal voltage: 500 V, nominal current: 24 A, connection type: Spring connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, colour: green/yellow-grey

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0203140

FB 3-10

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Fixed bridge

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