Weidmüller WTL / WTMF / WTS4 / WTW Series Terminal Blocks & Accessories

WTL series: Measuring transformer screw-type disconnect test terminals; WTMF: Terminal assembly accessories; WTS4 THERMO: DIN rail temperature signal converter; WTW: Intermediate insulating partition plates for terminal rows.

Model Code Definition

  1. WTL: Measuring transformer disconnect test terminal
    • 6: Rated wire cross-section 6 mm²
    • /1 / /5: Structural variant code
    • EN: Equipped with integrated test slot
    • STB: Reinforced high creepage distance housing
  2. WTMF: Terminal assembly accessory for W-series terminal system
  3. WTS4 THERMO: DIN rail mount thermocouple signal converter
  4. WTW: Intermediate insulating partition plate
    • EN: Standard version for WTL measuring terminals
    • WF6 / WF8 / WF10/WF12: Partition matched for WF series terminal widths
    • WFF70 / WFF120: Tall reinforced high partition for high-power terminal groups

Full Model Parameter Table

表格

No. Model Product Category Core Configuration & Features Core Features & Application Scenario
1 WTL 6/1 EN STB Measuring transformer disconnect terminal 6 mm², screw connection, built-in test slot, reinforced STB housing, 41 A / 630 V Current & voltage transformer secondary circuit test-disconnect terminal; safe offline measurement without disconnection
2 WTL 6/1/STB Measuring transformer disconnect terminal 6 mm², screw connection, STB reinforced housing, without EN test slot Standard transformer disconnect terminal for general metering cabinet secondary loops
3 WTL 6/5 EN STB Measuring transformer disconnect terminal 6 mm², multi-circuit structure, EN test slot, STB reinforced housing Multi-group metering circuit integrated disconnect for power distribution metering cabinets
4 WTMF W-series terminal assembly accessory Universal mounting & interlocking fitting for W terminal system Auxiliary fixture for modular terminal row combined assembly, positioning and locking
5 WTS4 THERMO DIN rail thermocouple signal converter Screw connection, galvanic isolation, converts thermocouple signal to standard 4–20 mA / 0–10 V Temperature signal acquisition for furnaces, heating equipment, thermal process monitoring cabinets
6 WTW EN Intermediate partition for WTL terminals Insulating separator dedicated to WTL measuring transformer terminal rows Isolate independent metering loops to avoid cross-circuit interference in metering cabinets
7 WTW WF10/WF12 Standard intermediate partition Partition plate fit WF10 / WF12 width terminal blocks, dark beige housing Circuit zoning separation for medium and heavy power terminal rows
8 WTW WF6 Standard intermediate partition Partition plate fit WF6 width terminal blocks, dark beige housing Separation between signal and auxiliary power terminal groups
9 WTW WF8 Standard intermediate partition Partition plate fit WF8 width terminal blocks, dark beige housing General-purpose insulating separator for mixed signal/power terminal rows
10 WTW WFF 70 Tall reinforced high partition 70-series high height insulating separator, grey housing, enlarged creepage distance Safety isolation between high-voltage power and weak-signal terminal groups
11 WTW WFF120 Ultra-tall reinforced high partition 120-series extra high insulating separator, grey housing, maximum clearance Heavy industry high interference cabinet, strong isolation for high/low potential circuits

Product General Introduction

Core Technical Advantages

  1. WTL measuring transformer terminals: Specially designed for CT/VT secondary circuits; sliding disconnect structure ensures safe metering maintenance; optional integrated test slots for direct instrument connection. STB reinforced housing improves electrical clearance and creepage distance to meet power industry safety standards.
  2. WTS4 THERMO thermocouple converters: DIN rail compact structure, input for multiple thermocouple types, linearized signal conversion, galvanic isolation suppresses field interference, output standard analog signals compatible with all mainstream PLC systems.
  3. WTW insulating partition series: Complete width specifications matching full range WF/WFF terminal systems. Standard height partitions for routine circuit zoning; tall WFF reinforced partitions greatly increase insulation distance to prevent inter-phase short-circuit. UL94 V-0 flame retardant Wemid plastic.
  4. WTMF modular assembly fittings enable flexible combination of different terminal types on one DIN rail, simplify pre-assembly of standard cabinet terminal groups.
  5. All W-series terminals adopt standard TS35 DIN rail snap mounting, screw clamping suitable for solid and stranded copper wires, pass CE, UL and RoHS certifications.

Application Scenarios

Installed in power metering cabinets, automation control cabinets, thermal process control boxes, machine tool and new energy distribution equipment:

  1. WTL series: Mandatory terminal for current and voltage transformer secondary loops in power metering systems; allow safe offline testing without disconnecting wiring;
  2. WTS4 THERMO: Industrial furnace, oven, heat treatment equipment temperature signal conditioning; transmit thermocouple signals long distance to PLC;
  3. WTW intermediate partitions: Physical insulation separation between different functional circuits, separate high-power loops and low-current signal loops to reduce electromagnetic interference and improve operational safety;
  4. WTMF accessories: Modular prefabricated terminal row assembly for standardized mass production control cabinets.

Weidmüller WTL / WTMF / WTS4 / WTW Series Terminal Blocks & Accessories

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Created on：2026-07-15 09:09

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