Ferrogard™ 1, 2, 20 & 21
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Description
The Ferrogard range of magnetically actuated safety switches offers non-contact reliability together with tolerance to misalignment. They are designed to be installed so that when a guard door is opened, the action of the magnetic actuator being removed from the switch opens the N.C. safety contacts which are intended for the isolation of control power to a machine primary control element.
The FRS1, FRS2, FRS20, FRS21 are rectangular housings. Sealed to IP67 (NEMA 6P), these Ferrogards are ideal for wet environments.
Unlike some magnetic switches the Ferrogards have protected safety contacts to help ensure that they do not fail to danger. In addition, some versions have independent auxiliary signal contacts to indicate the guard condition.
All Ferrogards have internal non-resettable overload protection on the safety contact. They should be protected by an external fuse rated as shown in the Specifications table.
Features
- Non-contact actuation
- High tolerance to misalignment
- High switching current (up to 2 A AC, 1 A DC)
- Plastic rectangular housing (IP67)
- Cable or quick-disconnect (QD) connections
Specifications
| Safety Ratings | |
| Standards | EN954-1, ISO13849-1, IEC/EN60204-1, NFPA79, EN1088, ISO14119, ANSI B11.19, AS4024.1 |
| Safety Classification | Cat. 1 Device per EN954-1 Dual channel interlocks suitable for Cat. 3 or 4 systems |
| Functional Safety Data Note: For up-to-date information, visit http://www.ab.com/Safety/ |
B10d: > 2 x 106 operations at min. PFHD: > 3 x 10-7 MTTFd: > 385 years Dual channel interlock may be suitable for performance levels PLe or PLd (according to ISO 13849-1:2006) and for use in SIL2 or SIL3 systems (according to IEC 62061) depending on application characteristics |
| Certifications | CE Marked for all applicable directives and cULus |
| Outputs (Guard Door Closed, Actuator in Place) | |
| Safety Outputs | FRS1: 1 N.C., FRS2: 1 N.C., FRS20: 2 N.C., FRS21: 2 N.C. |
| Auxiliary Outputs | FRS1: None, FRS2: 1 N.O., FRS20: None, FRS21: 1 N.O. |
| Operating Characteristics | |
| Operating Distance, Make [mm (in.)] | Safety: 12 (0.47); Auxiliary: 15 (0.59) |
| Operating Distance, Break [mm (in.)] | Safety: 23 (0.91); Auxiliary: 26 (1.02) |
| Fuses, External | FRS1, 2 & 21: 1.6 A (Bussmann BK/60 A-1.6 A) max. FRS20: 0.4 A (Bussmann BK/60 A-400 mA) max. |
| Environmental | |
| Enclosure Type Rating | IP67 (NEMA 6P) |
| Operating Temperature [C (F)] | -10…+55° (+14…+131°) |
| Relative Humidity | 5…95% |
| Shock | 50 g |
| Vibration | 7 g; 50…200 Hz |
| Radio Frequency | IEC 61000-4-3, IEC 61000-4-6 |
| Physical Characteristics | |
| Actuator/Housing Material | Molded ABS plastic |
| Weight [g (lb)] | FRS 1—Sensor: 35 (0.08)/Actuator: 85 (0.19) FRS 2—Sensor: 40 (0.09)/Actuator: 85 (0.19) FRS 20—Sensor: 43 (0.09)/Actuator: 85 (0.19) FRS 21—Sensor: 43 (0.09)/Actuator: 85 (0.19) |
| Color | Red |
| ¬ Usable for ISO 13849-1:2006 and IEC 62061. Data other than B10d is based on: - Usage rate of 1op/10 mins., 24 hrs/day, 360 days/year, representing 51840 operations per year - Mission time/Proof test interval of 38 years |
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Product Selection
| Safety Contact Switching Capability | Safety Contacts | Auxiliary Contacts | Connection | Type | Cat. No. |
| 250V AC, 2 A max | 1 N.C. | — | 2 m Cable | FRS 1 | 440N-G02001 |
| 4 m Cable | 440N-G02004 | ||||
| 6 m Cable | 440N-G02022 | ||||
| 8 m Cable | 440N-G02041 | ||||
| 10 m Cable | 440N-G02015 | ||||
| 1 N.O. | 2 m Cable | FRS 2 | 440N-G02002 | ||
| 4 m Cable | 440N-G02014 | ||||
| 6 m Cable | 440N-G02038 | ||||
| 8 m Cable | 440N-G02033 | ||||
| 10 m Cable | 440N-G02019 | ||||
| 15 m Cable | 440N-G02043 | ||||
| 20 m Cable | 440N-G02040 | ||||
| 4-Pin Micro QD | 440N-G02093 | ||||
| 2 N.C. | — | 4-Pin Micro QD | FRS 20 | 440N-G02097 | |
| 2 N.C. | 1 N.O. | 2 m Cable | FRS 21 | 440N-G02055 | |
| 4 m Cable | 440N-G02061 | ||||
| 6 m Cable | 440N-G02060 | ||||
| 10 m Cable | 440N-G02059 | ||||
| 6-Pin AC Micro QD§ | 440N-G02098 | ||||
| 24V DC, 1 A | 1 N.C. | 1 N.O. | 2 m Cable | FRS 2 | 440N-G02092 |
| 4-Pin Micro QD | 440N-G02094 | ||||
| 2 N.C. | — | 4 m Cable | FRS 20 | 440N-G02085 | |
| 4-Pin Micro QD | 440N-G02090 | ||||
| 1 N.O. | 2 m Cable | FRS 21 | 440N-G02058 | ||
| 4 m Cable | 440N-G02077 | ||||
| 6 m Cable | 440N-G02083 | ||||
| 6-Pin Micro QD | 440N-G02099 | ||||
| Note: Contacts are described with the guard door closed, that is, actuator in place. Switch is shipped complete with actuator. § For connector ratings see Safety Switches and Connectors. |
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Recommended Logic Interfaces
| Description | Safety Outputs | Auxiliary Outputs | Terminals | Reset Type | Power Supply | Cat. Page No. | Cat. No. |
| Single-Function Safety Relays for 2 N.C. Contact Switch | |||||||
| MSR127RP | 3 N.O. | 1 N.C. | Removable (Screw) | Monitored Manual | 24V AC/DC | MSR127RP/TP | 440R-N23135 |
| MSR127TP | 3 N.O. | 1 N.C. | Removable (Screw) | Auto./Manual | 24V AC/DC | MSR127RP/TP | 440R-N23132 |
| MSR30T | 2 N.O. Solid State | 1 N.O. Solid State | Removable | Auto./Manual or Monitored Manual | 24V DC | MSR30RT/RTP | 440R-N23198 |
| Single-Function Safety Relays for 1 N.C. & 1 N.O. Contact Switch | |||||||
| MSR9T | 2 N.O. | 1 N.C. | Fixed | Auto./Manual | 24V AC/DC | MSR9T | 440R-F23027 |
| MSR33RT | 2 N.O. Solid State | 1 N.O. | Removable | Auto. or Monitored Manual | 24V DC SELV | MSR33RT/RTP | 440R-F23200 |
| Modular Safety Relays | |||||||
| MSR211P Base 2 N.C. only |
2 N.O. | 1 N.C. and 2 PNP Solid State | Removable | Auto./Manual or Monitored Manual | 24V DC from the base unit | MSR211P | 440R-H23176 |
| MSR220P Input Module | — | — | Removable | — | 24V DC | MSR220P | 440R-H23178 |
| MSR310P Base | MSR300 Series Output Modules | 3 PNP Solid State | Removable | Auto./Manual Monitored Manual | 24V DC | MSR310P | 440R-W23219 |
| MSR320P Input Module | — | 2 PNP Solid State | Removable | — | 24V DC from the base unit | MSR320P | 440R-W23218 |
Note: For additional Safety Relays connectivity, see Safety Relays.
For additional Safety I/O and Safety PLC connectivity, see Programmable Safety Solutions.
For application and wiring diagrams, see Safety Applications and Wiring Diagrams.
Connection Systems
| Description | Connection to Distribution Box 4-Pin Micro (M12) 1 N.C. & 1 N. O. |
6-Pin Micro (M12) 2 N.C. & 1 N.O. |
| Cordset | 889D-F4AC-¬ | 889R-F6ECA-¬ |
| Patchcord | 889D-F4ACDM-T | 889R-F6ECRM-T |
| Distribution Box | 898D-P4‡ KT-DM4 | 898R-F68MT-A5 |
| Shorting Plug | 898D-41KU-DM | 898R-P61MU-RM |
| T-Port | 898D-43KY-D4 | — |
¬ Replace symbol with 2 (2 m), 5 (5 m), or 10 (10 m) for standard cable lengths.
T Replace symbol with 1 (1 m), 2 (2 m), 3 (3 m), 5 (5 m), or 10 (10 m) for standard cable lengths.
‡ Replace symbol with 4 or 8 for number of ports.
Note: For additional information, see the Safety Connection System section (Safety Connection Systems) of this catalog.
Accessories
| Description | Cat. No. |
| Replacement Actuator | 440N-A02005 |
Approximate Dimensions
Dimensions are shown in mm (in.). Dimensions are not intended to be used for installation purposes.
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Typical Wiring Diagrams
| FRS1 | FRS2 | FRS20 | FRS21 | ||
| 1 N.C. | 1 N.C. + 1 N.O. | 2 N.C. | 2 N.C. + 1 N.O. | ||
| 4-Pin Micro (M12) | — |
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— | |
| 6-Pin Micro (M12) | — | — | — |
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| Cordset 889D-F4AC-¬ or Cable Versions |
Brown | — | Safety A | Safety A | — |
| Blue | |||||
| Black | — | Aux A | Safety B | — | |
| White | |||||
| Cordset 889R-F6ECA-¬ |
Red/White | — | — | — | Safety A |
| Red/Black | |||||
| Red | Safety B | ||||
| Red/Blue | |||||
| Green | Aux A | ||||
| Red/Yellow | |||||
| Cable Versions | Safety A | Brown | Blue | Brown | Black |
| Blue | White | Blue | White | ||
| Safety B | — | Yellow | Black | Red | |
| Green | White | Blue | |||
| Aux A | — | — | — | Yellow | |
| Green | |||||
| ¬ Replace symbol with 2 (2 m), 5 (5 m) or 10 (10 m) for standard cable lengths. | |||||