Parts  Honeywell   FFSRST300F2

FF-SRST300F2 Honeywell


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Description

Photoelectric Sensor


FF-SRST300F2
Representative picture
HONEYWELL logo

Series Description

The FF-SRST Emergency Stop modules with Timer are designed to be used in emergency stop circuits where danger to personnel or machinery is present. This device has four internal standard safety relays with positive-guided contacts, of which two of these safety relays are delayed. In the manual start mode, the module accepts input from the safety device (safety light curtain, safety mat, safety switches, etc.) between S21/S22 and S31/S32 after activation of the push-button between S33 and S34. In the automatic start mode, the module accepts immediate input from the safety device between S21/S22 and S31/32. After restart, the normally open safety contacts (13/14, 23/24, 47/48, 57/58) will close and the normally closed contacts (31/32, 65/66) will open. If an emergency stop condition occurs (safety device is actuated), the normally open contacts (13/14, 23/24) will open and the normally closed contact (31/32) will close immediately. After the selected delay time has elapsed the normally open contacts (47/48, 57/58) will open and the normally closed contact (65/66) will close. This emergency stop condition is signalled by the direct safety contacts (13/14, 23/24, 31/32) for the machine control circuitry to first stop the dangerous motion and then to remove power after a certain time by the delayed contacts (57/58, 65/66).


Features

  • Complies with the Machinery Directive for 98/37/EC, IEC 204, EN 60204, DIN VDE 0113 and UL 508
  • Dual channel input
  • Safety outputs: two direct NO contacts, one direct NC contact, two NO delayed contacts and one NC delayed contact
  • Wide range of fixed and adjustable delay times
  • Switching current from 1 mA to 5 A
  • Automatic start or manual start mode with short-circuit detection on the pushbutton input
  • Selectable cross-fault detection in emergency stop control circuit
  • LEDs indicate power and internal relays status
  • Mechanical life up to ten million operations
  • Electrical life up to one million operations
  • Overvoltage and short-circuit protection
  • Removable terminal strips for ease of maintenance
  • 45 mm/ 1.77 in width

Typical Applications

  • Emergency stop circuits on machines
  • Category 1 emergency stop circuits per EN 418 and NFPA79: delayed isolation of power after machine stoppage
  • Door protection: delayed opening of an interlocked protective gate

About

The Honeywell part FF-SRST300F2 is distributed by Electrol. The product that you are looking to replace may be brand labeled Microswitch, Hobbs, Honeywell, Data Instruments, Pepperl-Fuchs, Sensym, Senasys, Sensotec or Honeywell-Yamatake, all of which are trade names or previous joint ventures between Honeywell and other partners. The Micro Switch brand is a trade name of Honeywell Sensing & Control headquartered in Freeport Illinois and with manufacturing facilities worldwide including the USA, Mexico, France, Germany, the UK, China and Korea. Electrol has been a distributor of Micro Switch products since 1970.

Honeywell Sensing & Control is a world leader in electro-mechanical switching devices for industry, aerospace, medical and defense. The product line up now also includes sensors for pressure, force, humidity and temperature. Electrol stocks a broad range of Honeywell products for immediate shipment including switching devices for hazardous locations, hermetically sealed switches, pressure transducers and wide range of limit switches for virtually every application.


Stock Qty: 0





Prefer to order through one of our trained sales representatives?

1-800-663-6576
[email protected]
Monday-Friday, 8:00am-4:30pm Pacific

We accept Visa, Mastercard and American Express on domestic orders (USA and Canada)



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