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RFBG-222-AR-24DC Functional Safety Relay

Product Description

The RFBG series DO input signal safety relay features a mechanical interlock in accordance with EN50205 for implementing multiple safety outputs. It offers a switching current of up to 5A and features built-in self-diagnostics. The relay is used in SIL3 safety-related systems in accordance with GOST R IEC 61508-1-2012, as well as in emergency shutdown systems.

Advantages

  • 1oo2 architecture.
  • Relay output for safe de-energization.
  • Support contour detection.
  • Built-in test pulse filter function.
  • Correct operation of the safety relay is tested automatically during each on-off cycle.
Main parameters
Power supply type from the contour
Voltage, V DC 20…32
Heat output, W ≤ 2.2 at =24 V
Current consumption at =24V, mA ≤ 90
Test pulse duration, ms, no more than 3
Cable resistance, Ohm 15
Input devices safety switch, discrete output signal
Signal type 2no + 2nz
Contact type forced management
Contact material AgSnO2 + 0.2 μm Au
Load characteristics AC-15: 5 A / 230 V, DC-13: 5 A / 24 V
Fuse characteristics 10A gL/gG(no), 6A gL/gG(no)
Switching on, ms, no more than 200
Opening, ms, no more than 50
Switching frequency, Hz, no more than 4
Electromagnetic compatibility IEC/EN 80947, IEC 61326-3-1, IEC/EN 61000-6-2, IEC/EN 61000-6-4
Nominal insulation voltage
, V AC
250
Nominal pulse voltage, V 6000 (1.2/50 µs)
Dielectric strength, V 1500 (within 1 min)
Gaps and leaks According to IEC 80947-1
Vibration, Hz 10…55 (0.35 mm)
Overvoltage category III
Degree of pollution 2
Degree of dust and moisture protection IP20
Operating temperature, °C -20…. +60
Storage temperature, °C -40…. +80
Altitude above sea level, m ≤ 2000
Number of operations, cycles 10 x 106
Security parameters
Safety Integrity Level (SIL) 3
Average diagnostic coverage (DC avg), % 99
Mean time to failure (MTTFD), years 164
Hardware Fault Tolerance (HFT) 1
Safe failure rate (SFF), not less than, % 99
Average probability of dangerous failure on demand (PFDavg/PTI) 1,53×10-5
Probability of failure per hour (PFH), 1/h 1,77×10-10
Stop category 0
Connection diagram

Additional information

Possible applications:


1-channel, FSC* connection.
System loop detection.
Feedback loop.
Use in high-request mode.

* Fail Safe Controller (FSC) is an electronic device that monitors the system and ensures its safe and reliable operation even in the event of a failure.

FSCs are used in industrial settings to protect equipment from failure, damage, or destruction due to unexpected conditions. The device continuously monitors system operation and takes immediate action upon detecting potential problems before they become dangerous or damaging.

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Additional description
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Saint Petersburg

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193149, Leningrad region, Vsevolozhsk district, Novosaratovka village, Rabochaya street, house 9, building 1
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123112, Moscow, Presnenskaya Embankment, 6, building 2, business complex "Imperia Tower", floor 12, office No. 15
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625031, Russia, Tyumen, Shcherbakova St., 160G
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