The ABB Jokab Sentry TSR20 is a 24V DC, dual-channel time delay safety relay with 4 safety contacts. It detects electrical faults and breaks the circuit until operating conditions are safe, preventing machine damage and electric shock. The switch on the front allows you to set an OFF-delay time of 0.5 or 1.5 seconds for safe power down.
Product ModelSentry TSR20
Material Number2TLA010061R0000
Product ID70687
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Safety FeaturesThe ABB Jokab Sentry TSR20 is designed to detect electrical faults and break the circuit until operating conditions are safe, preventing machine damage and electric shock.
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2. Configurable OFF-Delay TimeSet the OFF-delay time using the switch on the front to 0.5 or 1.5 seconds, ensuring safe power down of your equipment.
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3. Dual-Channel DesignWith two channels, this safety relay can handle multiple functions simultaneously, enhancing operational efficiency.
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4. Multi-Reset CapabilityThe relay features a multi-reset method, allowing for repeated use without needing to reset the device manually.
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5. Compliance with Safety StandardsThe Sentry TSR20 meets ISO 13849-1 safety category 4 and SIL IEC 61508 level 3, ensuring compliance with stringent safety regulations.
