{"product_id":"honeywell-ff-srs59252-dual-channel-emergency-stop-module","title":"Honeywell FF-SRS59252 Dual Channel Emergency Stop Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell FF-SRS59252\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFF-SRS59252\u003c\/strong\u003e Safety Controller, operates as a dedicated hardware component for dual-channel emergency stop signal monitoring and safety circuit interruption within industrial safety instrumentation systems. Operating on a 24 VAC control voltage supply, the module monitors dual-channel switch contacts to execute immediate power isolation upon emergency stop actuation. The internal relay logic provides force-guided switching contacts that prevent unsafe restart sequences during contact weld or channel fault conditions.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFF-SRS59252\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.49 lbs (0.22 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DIN-Rail Safety Relay Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Logic \/ 24 VAC Control Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Architecture\u003c\/td\u003e\n\u003ctd\u003eDual Channel Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-Rail Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eEmergency Stop Safety Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe FF-SRS59252 safety module implements full galvanic channel-to-channel isolation between independent input circuits and internal control logic relays. Internal isolation barriers prevent electrical cross-talk, short circuits, or stray voltage transients from propagating across dual emergency stop channels. This isolated channel design guarantees that a single contact fault or line short on one monitoring channel is detected instantly by the diagnostics without compromising the safety shutdown function of the secondary loop.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the dual-channel input logic respond if a single contact fails to open during an emergency stop command?\u003c\/p\u003e\n\u003cp\u003eA: The module detects channel imbalance during trip activation, latches the output relays in a safe de-energized state, and prevents a system reset until the fault is cleared.\u003c\/p\u003e\n\u003cp\u003eQ: What is the primary functional requirement for supplying control power to the 24 VAC terminals?\u003c\/p\u003e\n\u003cp\u003eA: Control power must originate from a dedicated Class 2 isolated safety transformer to preserve overall system galvanic isolation standards.\u003c\/p\u003e\n\u003cp\u003eQ: Can the output switching contacts be used directly to break high-current motor loads?\u003c\/p\u003e\n\u003cp\u003eA: No, output safety contacts must drive interposing safety contactors or circuit breakers rated for the specific load current and inductive switching profile.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module vertically onto a standard 35 mm DIN-rail inside an IP54-rated protective enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify that supply power across the control terminals remains strictly at 24 VAC prior to energizing the circuit.\u003c\/li\u003e\n\u003cli\u003eWire emergency stop pushbuttons using separate multi-conductor shielded cables for Channel 1 and Channel 2 to eliminate cross-channel short circuits.\u003c\/li\u003e\n\u003cli\u003eConnect overall cable shields to the enclosure frame grounding terminal using a low-impedance connection.\u003c\/li\u003e\n\u003cli\u003ePerform a full functional trip test and channel cross-fault check before restoring operational power to downstream machinery.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53621226111285,"sku":"FF-SRS59252","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/FF-SRS59252_Cocoai.png?v=1789973698","url":"https:\/\/www.5gplc.com\/products\/honeywell-ff-srs59252-dual-channel-emergency-stop-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}