{"product_id":"amerex-manual-reset-relay-12526","title":"Amerex Manual Reset Relay - 12526","description":"\u003cbody\u003e\n\n\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003ctitle\u003eAmerex Manual Reset Relay | Part No. 12526 | Electrical Interlock Series\u003c\/title\u003e\n\u003cstyle\u003e\n  .product-section {\n    max-width: 100%;\n    margin: 2rem 0;\n    font-family: Arial, sans-serif;\n    color: #333;\n  }\n  .accordion-item {\n    border-bottom: 1px solid #ddd;\n  }\n  .accordion-header {\n    display: flex;\n    justify-content: space-between;\n    padding: 2rem 0;\n    cursor: pointer;\n    background: none;\n    border: none;\n    width: 100%;\n    text-align: left;\n    color: #333;\n  }\n  .accordion-header:hover,\n  .accordion-header:focus {\n    color: #333;\n    background: none;\n    outline: none;\n  }\n  .accordion-title {\n    font-size: 1.5rem;\n    font-weight: 500;\n  }\n  .accordion-icon {\n    font-size: 1.5rem;\n  }\n  .accordion-item.active .accordion-icon {\n    transform: rotate(180deg);\n  }\n  .accordion-content {\n    max-height: 0;\n    overflow: hidden;\n  }\n  .accordion-item.active .accordion-content {\n    max-height: none;\n  }\n  .accordion-content-inner {\n    font-size: 1.4rem;\n    line-height: 1.7;\n    color: #555;\n    padding-bottom: 2rem;\n  }\n  .accordion-content-inner p {\n    margin: 0 0 1rem 0;\n  }\n  .accordion-content-inner ul {\n    margin: 0 0 1rem 0;\n    padding-left: 2rem;\n  }\n  .accordion-content-inner h3 {\n    font-size: 1.4rem;\n    font-weight: 600;\n    color: #333;\n    margin: 1.5rem 0 0.5rem 0;\n  }\n  .specs-table {\n    width: 100%;\n    border-collapse: collapse;\n  }\n  .specs-table th,\n  .specs-table td {\n    border: 1px solid #ddd;\n    padding: 0.75rem 1rem;\n    font-size: 1.4rem;\n    text-align: left;\n  }\n  .specs-table th {\n    background-color: #f5f5f5;\n    font-weight: 600;\n    color: #333;\n  }\n\u003c\/style\u003e\n\n\n\n\u003cdiv class=\"product-section\"\u003e\n\n  \u003c!-- Section 1: Product Overview --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eProduct Overview\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cp\u003eThe Amerex 12526 Manual Reset Relay is a mission-critical fire system electrical interface engineered for the Amerex KP (Kitchen Protection) and Industrial (IS) fire suppression systems. In the sophisticated hierarchy of a modern safety network, the 12526 serves as the definitive safety circuit gatekeeper for fuel flow. Designed to work in tandem with electric solenoid gas valves, this relay ensures that the restoration of power following a building blackout or a system discharge does not result in the dangerous, automatic release of raw gas into the hazard zone.\u003c\/p\u003e\n        \u003cp\u003eIts primary function is to provide a manual gas lockout once the safety circuit has been interrupted. By requiring a deliberate human action to re-energize the gas valve, the 12526 eliminates the risk of unignited gas accumulation caused by extinguished pilot lights. Utilizing this genuine Amerex 12526 ensures that your facility's electrical gas interlock remains fully compliant with UL 300 safety standards and NFPA mandates.\u003c\/p\u003e\n\n        \u003ch3\u003eDPST (Double Pole, Single Throw) Configuration\u003c\/h3\u003e\n        \u003cp\u003eThe 12526 utilizes a double pole single throw contact arrangement, allowing it to switch both the Hot and Neutral lines simultaneously. When the relay is energized, it completes the circuit to the gas valve, providing the continuous power required to hold the valve open against its internal mechanical closing spring.\u003c\/p\u003e\n\n        \u003ch3\u003eInductive Load Management\u003c\/h3\u003e\n        \u003cp\u003eSolenoid gas valves are inductive loads that can create high-voltage back-EMF spikes during de-energization. The 12526 is rated for 8 AFL (Amps Full Load) and 48 ALR (Amps Locked Rotor), ensuring the relay's contacts do not weld or pit over years of service and maintain a clean break in the circuit every time the system trips.\u003c\/p\u003e\n\n        \u003ch3\u003eZero-Voltage Reset Logic\u003c\/h3\u003e\n        \u003cp\u003eIn the event of a fire system actuation or a building power flicker, the magnetic field in the relay coil collapses and the contacts snap open, closing the gas valve. Critically, the 12526 will not automatically re-latch when power returns. This zero-voltage reset logic is the global standard for modern industrial fuel safety.\u003c\/p\u003e\n\n        \u003ch3\u003eIntegrated Pilot Light Monitoring\u003c\/h3\u003e\n        \u003cp\u003eThe relay features an integrated pilot light that provides immediate feedback on the state of the gas interlock. A lit pilot light indicates the relay is latched and power is being delivered to the gas valve (the safe operating state). An unlit pilot light indicates the safety circuit has been broken, whether from a system trip, a power loss, or a microswitch failure. This visual feedback allows staff to distinguish between a localized appliance malfunction and a system-wide safety shutdown, reducing unnecessary service calls.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 2: Applications \u0026 Use Cases --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eApplications \u0026amp; Use Cases\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e\n\u003cstrong\u003eHigh-Volume Commercial Kitchens:\u003c\/strong\u003e Integrated with electric gas valves to protect range lines and fryers with a code-compliant manual reset lockout.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIndustrial Paint Spray Booths:\u003c\/strong\u003e Securing fuel lines to burners and heaters within the booth enclosure.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eInstitutional Dining:\u003c\/strong\u003e Providing a centralized gas lockout for hospitals and universities where operational continuity and safety are paramount.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eGas-Fired HVAC Equipment:\u003c\/strong\u003e Serving as the safety interlock for air make-up units and localized heaters.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eElectrical Retrofits:\u003c\/strong\u003e Replacing aging, non-compliant automatic reset relays to achieve NFPA 96 compliance.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 3: Technical Specifications --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eTechnical Specifications\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ctable class=\"specs-table\"\u003e\n          \u003cthead\u003e\n            \u003ctr\u003e\n              \u003cth\u003eFeature\u003c\/th\u003e\n              \u003cth\u003eDetails\u003c\/th\u003e\n            \u003c\/tr\u003e\n          \u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eManufacturer\u003c\/td\u003e\n              \u003ctd\u003eAmerex Corporation\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003ePart Number\u003c\/td\u003e\n              \u003ctd\u003e12526\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eContact Configuration\u003c\/td\u003e\n              \u003ctd\u003eDPST (Double Pole, Single Throw)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eVoltage Rating\u003c\/td\u003e\n              \u003ctd\u003e120 VAC\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eInductive Load Rating\u003c\/td\u003e\n              \u003ctd\u003e8 AFL \/ 48 ALR\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eResistive Load\u003c\/td\u003e\n              \u003ctd\u003e8 Amps (120 VAC)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eOperating Logic\u003c\/td\u003e\n              \u003ctd\u003eNormally Closed \/ Zero-Voltage Manual Reset\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n              \u003ctd\u003eAmerex KP, Amerex IS\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003ctd\u003eCertifications\u003c\/td\u003e\n              \u003ctd\u003eUL Listed, ULC Listed\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 4: Installation \u0026 Compliance --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eInstallation \u0026amp; Compliance\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eThe Manual Reset Mandate\u003c\/h3\u003e\n        \u003cp\u003eNFPA 96, Section 10.6.2, requires that all fuel shut-off devices must be manually reset. The 12526 is specifically listed to satisfy this requirement. During a fire marshal walkthrough, the technician must demonstrate that restoring power to the building does not automatically restore gas flow.\u003c\/p\u003e\n\n        \u003ch3\u003eMicroswitch Coordination\u003c\/h3\u003e\n        \u003cp\u003eThe 12526 is typically wired through the Normally Closed (NC) contacts of a microswitch located in the Mechanical Release Module (MRM). When the system is tripped, the microswitch opens the NC circuit, causing the relay to drop the load and close the gas valve.\u003c\/p\u003e\n\n        \u003ch3\u003eRemote Location Strategy\u003c\/h3\u003e\n        \u003cp\u003eWhile the fire system control head is often hidden, the manual reset relay should be mounted in a conspicuous location such as near the kitchen manager's office. This ensures the reset button is accessible and the pilot light is visible to staff.\u003c\/p\u003e\n\n        \u003ch3\u003eThe Semi-Annual Flicker Test\u003c\/h3\u003e\n        \u003cp\u003eDuring a 6-month inspection, the technician should simulate a power loss. If the relay automatically re-latches upon power restoration, the internal mechanical latching mechanism has failed and the unit must be replaced immediately.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Section 5: FAQ --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\"\u003e\n      \u003cspan class=\"accordion-title\"\u003eFAQ\u003c\/span\u003e\n      \u003cspan class=\"accordion-icon\"\u003e⌄\u003c\/span\u003e\n    \u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003ch3\u003eCan I use the 12526 with a 240V gas valve?\u003c\/h3\u003e\n        \u003cp\u003eNo. The 12526 is specifically rated for 120 VAC. Using it with higher voltages will result in coil failure and potentially create an electrical fire hazard. Always verify your solenoid gas valve control voltage before installation.\u003c\/p\u003e\n\n        \u003ch3\u003eDoes this relay protect against gas leaks during a fire?\u003c\/h3\u003e\n        \u003cp\u003eNot directly. Its job is to ensure that after the fire system shuts the gas off, the gas stays off until it is safe to relight the pilot lights. This prevents raw gas accumulation following a suppression event.\u003c\/p\u003e\n\n        \u003ch3\u003eCan one relay control multiple gas valves?\u003c\/h3\u003e\n        \u003cp\u003eYes, provided the total combined inductive load of all valves does not exceed the 8 AFL rating. For larger culinary batteries, it is often safer to utilize multiple Amerex 12526 relays to avoid overloading the contacts.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\ndocument.addEventListener('DOMContentLoaded', function() {\n  const headers = document.querySelectorAll('.accordion-header');\n  headers.forEach(header =\u003e {\n    header.addEventListener('click', function() {\n      this.parentElement.classList.toggle('active');\n    });\n  });\n});\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Amerex 12526 Manual Reset Relay | Electrical Interlock Series\",\n  \"description\": \"UL Listed DPST 120 VAC manual reset relay for Amerex KP and IS fire suppression systems. Rated 8 AFL \/ 48 ALR for solenoid gas valve inductive loads. Zero-voltage reset logic prevents automatic gas restoration after a system trip or power outage. Integrated pilot light for visual interlock status monitoring. Satisfies NFPA 96 Section 10.6.2 manual reset mandate. 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