Digital guide
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Bently Nevada 3500/34 149992-01 TMR Relay Module – Triple Modular Redundant
Technical Specifications
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Architecture: 3 × 8 relays, voted 2oo3
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Contact Rating: 5 A @ 250 VAC, 5 A @ 30 VDC
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Operate Time: <15 ms
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SIL Rating: SIL 3 / PL-e
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Diagnostics: Continuous coil and contact monitoring
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Power: 10 W
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Operating Temperature: –30 °C to +65 °C
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Weight: 1.2 kg
Detailed content
Functional Features
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Automatic discrepancy alarm on relay disagreement
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Contact wear trending
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Redundant 24 VDC coil supplies
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Hot replacement of individual relay boards
Application Scenarios
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Nuclear plant primary coolant pump protection
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Offshore platform fire-and-gas ESD loops
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High-pressure hydrogen compressors
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SIL 3 rated steam-turbine overspeed bolts
