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Clutches and Brakes

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Permanently Closed Type
  • ERS

ERS-L:For holding and emergency stops, ERS-A:For braking

Features
  • Operates immediately at power off.
  • Realized high speed response by permanent magnetic force.
  • Completely non-contact when brake is released. No wear, noise and vibration is generated when rotating.
ERS-L (for Holding and Emergency Stops)
  • Backlash-less by plate spring driving.
  • Flexible mounting directions.
ERS-A(for Braking)
  • With automatic gap function, there is no need of adjustment after installation.
  • Heavy-duty operation is possible by high heat radiation capability.
Indication of type

ERS-650A-IMS:Model symbol-Nominal number-Attachment type

Torque / Rated voltage
Type
ERS-		 175L-
FMF		 260L-
FMF		 260A-
FMS		 400A-
FMS		 501A-
OMS		 650A-
IMS		 825A-
IMS		 1225A-
IMS
Static friction torque
Nm		 2 8 7 20 40 70 120 350
Rated voltage
DC-V		 24
Application For holding and emergency stops For braking
Structure

fig

Characteristics
  • Relative Speed vs. Torque (ERS-A type)

    fig

    Braking / Releasing Characteristics
    (E.g./ERS-260A type)

    fig

  • Heat Dissipation Capacity
    (allowable braking energy)

    fig

    (Note) The heat dissipation capacity above indicates one of each discrete product. For clutch/brake unit(EPR type), regard 60% of the heat dissipation capacity in this graph as a standard.

Brake Operating Time
Description/Nominal number 175 260 400 501 650 825 1225
Armature
pull-in time
ta (ms)		 10 15 20 30 40 70 100
Armature
release time
tar (ms)		 30 40 70 100 100 130 300
Allowable workload / Max speed / Inertia J
Model Allowable workload(J) Max speed (r/min) Inertia J
(kgm2)
at idling at braking Armature side
ERS-260A/FMS 1.20×108 7500 7000 1.09×10-4
ERS-400A/FMS 4.60×108 4500 4000 4.73×10-4
ERS-501A/OMS 9.20×108 4000 4000 2.00×10-3
ERS-650A/IMS 1.30×109 3600 3600 6.50×10-3
ERS-825A/IMS 2.40×109 2200 2200 1.33×10-2
ERS-1225A/IMS 4.20×109 1800 1800 7.63×10-2
ERS-175L/FMF - 10000 - -
ERS-260L/FMF - 7500 - -
Installation Example

fig

Model list


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In 2009, SINFONIA TECHNOLOGY CO., LTD. changed its name from SHINKO ELECTRIC CO., LTD.
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