T-Series

Introducing Essen deinki’s T Series switches, renowned for their reliability. These single-pole changeover snap-acting switches boast fine silver contacts for excellent conductivity and long-lasting performance. What sets them apart are the user-friendly terminals, designed for easy wiring. They also offer enhanced safety with an extended distance between terminals. These switches adhere to the IEC 1058-1 standard, ensuring they meet stringent industry quality and safety requirements. Whether you’re working on sensitive electronics or industrial applications, Essen deinki’s T Series is a dependable choice for precise and safe electrical control.

Characteristics

  • Single pole changeover, snap-acting switches.
  • Fine silver contacts.
  • Beryllium copper trident spring operating mechanism.
  • Easy wire-up screw and cup-washer terminals characterised by extended creepage distance between the terminals.
  • Conform to IEC 1058-1 standard.

Product

Description

MT-18

  • Actuating force : 428 qms.(max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 0.5 mm. (max.)
  • Overtravel : 0.13 mm.
  • Movement differential : 0.05 mm. (max.)
  • Salient features: Pin plunger actuator having small operating movements and close movement differential.

MTL-18

  • Actuating force : 170 gms. (max.)
  • Release force : 21 gms.(min.)
  • Pretravel : 3.0 mm, (max.)
  • Overtravel : 2.4mm.
  • Movement differential : 2.0 mm. (max.)
  • Salient features : Spring lever actuator having reduced actuating force.

MTR-19

  • Actuating force : 170 gms. (max.)
  • Release force : 21 gms.(min.)
  • Pretravel : 3.0 mm. (max.)
  • Overtravel : 2.4mm.
  • Movement differential : 1.52 mm. (max.)
  • Salient features: Spring roller lever actuator having self lubricating nylon roller.
  • With metal roller : Ordering Code-MTR-19M

MT-35P

  • Actuating force : 428 gms. (max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 0.6 mm. (max.)
  • Overtravel : 1.5mm.
  • Movement differential : 0.05 mm. (max.)
  • Salient features : Small diameter spring plunger actuator.

MT-35B

  • Actuating force : 428 gms. (max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 0.5 mm. (max.)
  • Overtravel : 2.3mm.
  • Movement differential : 0.08 mm. (max.)
  • Salient features : Low profile spring plunger actuator.

MT37/P10

  • Actuating force : 652 gms. (max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 2.35mm. (max.)
  • Overtravel : 4.70 mm.
  • Movement differential : 0.08mm.(max.)
  • Salient features : A zinc plated frame with spring returned plunger having 18mm threaded length. Plunger is provided with two nuts for adjustment. It is suitable for single hole mounting.

MT37/R11

  • Actuating force : 652 gms. (max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 2.25mm.(max.)
  • Overtravel : 4.75 mm.
  • Movement differential : 0.08mm.(max.)
  • Salient features: A zinc plated frame with spring returned plunger with Nylon roller having 22.5mmthreadedlength. Plunger is provided with two nuts for adjustment. It is suitable for single hole mounting.

 

For metal roller add suffix ‘M’ in the ordering code e.g. MT37/R 11M

MT-18VL

  • Actuating force : 428 gms.(max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 0.5 mm. (max.)
  • Overtravel : 0.13 mm.
  • Movement differential : 0.05 mm. (max.)
  • Salient features : Pin plunger actuator on the left with three vertical side facing terminal-screwheads.

MT-18VR

  • Actuating force : 428 gms.(max.)
  • Release force : 173 gms.(min.)
  • Pretravel : 0.5 mm. (max.)
  • Overtravel : 0.13 mm.
  • Movement differential : 0.05 mm. (max.)
  • Salient features : Pin plunger actuator on the right with three vertical side facing terminal-screw heads.

MTCL-25D

  • Actuating force : 85 gms. (max.)
  • Release force : 14 gms. (min)
  • Pretravel : 9.0 mm. (max.)
  • Overtravel : 2.5mm.
  • Movement differential : 1.5 mm. (max.)
  • Salient features: Direct acting stainless steel plain lever of 63.5mm radius.

MTCL-25D/LF

  • Actuating force : 28 gms. (max.)
  • Release force : 3.gms.(min.)
  • Pretravel : 9 mm. (max.)
  • Overtravel : 2.5mm.
  • Movement differential : 0.8 mm. (max.)
  • Salient features: Lever return coil spring omitted to achieve lower actuating force.

MTCL-25D-1

  • Actuating force : 225 gms.(max.)
  • Release force : 29 gms. (min.)
  • Pretravel : 7 mm. (max.)
  • Overtravel : 5.6 mm.
  • Movement differential : 0.76 mm. (max.)
  • Salient features: Similar to MTCL-25D but with increased actuating force.

MTCL-25DA

  • Actuating force : 85 gms.(max.)
  • Release force : 14 gms. (min.)
  • Pretravel : 9mm. (max.)
  • Overtravel : 2.5mm.
  • Movement differential : 1.5 mm. (max.)
  • Salient features: Direct acting stainless steelplain lever of 63.5mm radius.Adjustable lever facilitatesfineadjustment of operating position. For coarse adjustmentbendlever at the point where it joins its yoke. For fineadjustmentturn screw provided on lever. Adjustment of1½° isavailable by this method.

MTCL-25PL

  • Actuating force : 185 gms. (max.)
  • Release force : 35 gms. (min.)
  • Pretravel : 2.5 mm.(max.)
  • Overtravel : 2.0mm.
  • Movement differential : 1.5 mm. (max.)
  • Salient features: Micro switch with plastic lever.

MTCL-25DL1

  • Actuating force : 20 gms. (max.)
  • Release force : 7.gms.(min.)
  • Pretravel : 23 mm (max.)
  • Overtravel : 2.5mm.
  • Movement differential : 2.0mm.
  • Salient features: Direct acting extra long stainless steel plain lever of 150 mm.

MTCR-26D

  • Actuating force : 131 gms.(max.)
  • Release force : 21 gms. (min.)
  • Pretravel : 6.1 mm.(max.)
  • Overtravel : 2.3mm.
  • Movement differential : 1.0 mm. (max.)
  • Salient features: Nylon roller of
    9.5 mm. dia. x 4.6 mm. width mounted on stainless steel lever of 47.6 mm. radius.
  • With metal roller : Ordering code – MTCR-26DM

MTCR-26DA

  • Actuating force : 131 gms.(max.)
  • Release force : 21 gms. (min.)
  • Pretravel : 6.1 mm.(max.)
  • Overtravel : 2.3mm.
  • Movement differential : 1.0 mm. (max.)
  • Salient features: Nylon roller of
    9.5 mm. dia. x 4.6 mm. width mounted on stainless steel lever of 47.6mm. radius. Adjustment of operating mechanism is similar to MTCL-25DA.
  • With metal roller : Ordering code – MTCR-26DAM

MTCR-26D-1

  • Actuating force : 225 gms.(max.)
  • Release force : 43 gms. (min.)
  • Pretravel : 6.75 mm.(max.)
  • Overtravel : 5.3mm.
  • Movement differential : 1mm. (max.)
  • Salient features: Similar to MTCR-26D but
    with increased actuating force.
  • With metal roller : Ordering code – MTCR-26D-1M

MTCRS-26D

  • Actuating force : 213 gms.(max.)
  • Release force : 35 gms. (min.)
  • Pretravel : 4.5 mm. (max.)
  • Overtravel : 1.2mm.
  • Movement differential : 0.50 mm.(max)
  • Salient features: Nylon roller of
    9.5 mm. dia. x 4.6 mm. width mounted on stainless steel lever of reduced length.
  • With metal roller : Ordering code – MTCRS-26DM

MTCRS-26D-1

  • Actuating force : 625 gms.(max.)
  • Release force : 170 gms.(min.)
  • Pretravel : 5.5 mm, (max.)
  • Overtravel : 1.2mm.
  • Movement differential : 0.84 mm.(max.)
  • Salient features: Similar to MTCRS-26D but with increased actuating force.
  • With metal roller : Ordering code – MTCRS-26D-1M

MTPC-27

  • Actuating force : 642 gms. (max.)
  • Release force : 170 gms. (min.)
  • Pretravel : 1.2 mm. (max.)
  • Overtravel : 4.6mm.
  • Movement differential : 0.08 mm. (max.)
  • Salient features: Spring plunger actuator protected by a synthetic rubber cowl.

MTP-26

  • Actuating force : 420 gms. (max.)
  • Release force : 170 gms.(min.)
  • Pretravel : 0.9 mm. (max.)
  • Overtravel : 3.3mm.
  • Movement differential : 0.08 mm. (max.)
  • Salient features: Large spring plunger actuator with single hole or side mounting.

MTR-26

  • Actuating force : 422 gms.(max.)
  • Release force : 170 gms.(min.)
  • Pretravel : 0.9 mm. (max.)
  • Overtravel : 3.6mm.
  • Movement differential : 0.08 mm. (max.)
  • Salient features: Spring plunger with free running roller with Single hole or side mounting.

Note
1: All roller lever type micro switches are also available with cross roller. Add suffix ‘C’ after ordering code. eg.: MTCRS-26D-C etc.

2: All lever type micro switches are also available with half channel cover. Add suffix ‘H’ after ordering code.eg.: MTCRS-26D-H etc.

Electrical Ratings

Load

Rating

AC (Resistive)
AC (Inductive)
AC (Resistive)
AC (Inductive)

15A at 125V or 15 A at 250V or 15A at 440V
15A at 125V or 15 A at 250V or 4A at 440V
0.5A at 125V or 0.25A at 250V
0.05A at 125V or 0.03A at 250V 

Technical data

Contact resistance
Insulation Resistance
Voltage proof
Terminals
Electrical life
Mechanical life

10 milliohms (max.)
1000 megaohms (min)
1 KV AC for one minute
M 3.5 Screw with cup washer
50,000 operations
1 million operations

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