R-Series

Essen deinki’s R Series Normal Acting Micro Switches are dependable electrical components. They feature single-pole changeover design with snap-acting precision for quick response. The switches have fine silver contacts, ensuring strong conductivity and durability. They rely on a sturdy beryllium copper trident spring mechanism for consistent performance. Solder tag terminals, secured by M3 screws, provide a secure connection. These switches meet the IEC 1058-1 standard, ensuring they meet industry quality and safety requirements. They’re a great choice for applications needing reliable electrical control.

Characteristics

Product

Description

MR-8

  • Actuating force: 285 gms, (max.)
  • Release force: 112 gms. (min.)
  • Pretravel: 0.5 mm. (max.)
  • Overtravel: 0.13 mm.
  • Movement differential: 0.025 mm. (max.)
  • Salient features: Pin plunger actuator having small operating movement and close movement differential.

MRH-8

  • Actuating force: 285 gms, (max.)
  • Release force: 112 gms. (min.)
  • Pretravel: 0.5 mm. (max.)
  • Overtravel: 0.13 mm.
  • Movement differential: 0.025 mm. (max.)
  • Salient features: Pin plunger actuator having small operating movement and close movement differential.

MRL-8

  • Actuating force: 110 gms. (max.)
  • Release force: 15 gms. (min.)
  • Pretravel: 2.0 mm. (max.)
  • Overtravel: 1.1 mm.
  • Movement differential: 1.0 mm. (max.)
  • Salient features: Spring steel lever actuator having reduced actuating force.

MRR-9

  • Actuating force : 110 gms. (max.)
  • Release force : 15 gms. (min.)
  • Pretravel : 2.0 mm. (max.)
  • Overtravel : 1.1 mm.
  • Movement differential : 1.0 mm. (max.)
  • Salient features: Spring steel roller lever actuator having self lubricating Nylon roller to reduce friction during operation.
  • With metal roller : Ordering Code – MRR-9M

MR-34P

  • Actuating force : 285 gms.(max.)
  • Release force : 112. gms.(min.)
  • Pretravel : 0.6 mm. (max.)
  • Overtravel : 1.5mm.
  • Movement differential : 0.025 mm.(max.)
  • Salient features: Small diameter spring plunger actuator.

MR-34B

  • Actuating force : 285 gms.(max.)
  • Release force : 112. gms.(min.)
  • Pretravel : 0.6 mm. (max.)
  • Overtravel : 2.3mm.
  • Movement differential : 0.025 mm.(max.)
  • Salient features : Low profile spring plunger actuator.

MRP-16

  • Actuating force : 280 gms.(max.)
  • Release force : 110 gms. (min.)
  • Pretravel : 0.9 mm. (max.)
  • Overtravel : 3.3mm.
  • Movement differential : 0.05 mm. (max.)
  • Salient features : Large spring plunger actuator with single hole or side mounting.

MR27/P10

  • Actuating force : 510 gms.(max.)
  • Release force : 112 qms.(min.)
  • Pretravel : 2.35mm. (max.)
  • Overtravel : 4.70mm
  • Movement differential : 0.05mm. (min.)
  • 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.

MR27/R11

  • Actuating force : 510 gms.(max.)
  • Release force : 112 qms.(min.)
  • Pretravel : 2.25mm. (max.)
  • Overtravel : 4.75
  • Movement differential : 0.05mm. (MAX.)
  • Salient features: A zinc plated frame with spring returned plunger with Nylon roller having 22.5mm
    threaded length. 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 MR27/ R 11M

Electrical rating

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

15 A at 125V or 15 A at 250V or 15A at 440V
5 A at 125V or 5 A at 250V or 2A at 440V
0.5 A at 125V or 0.25 A at 250V
0.03 A at 125V or 0.02 A 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 
Solders 
50,000 operations 
1 million operations