Authorized TE Connectivity Distributor
TE Connectivity 4-1393211-8 - General Purpose Power Relay, AC, Monostable, 2 Form C DPDT-CO, 30 A Contact Rating, 120 VAC Coil Voltage, Potter & Brumfield T92. P&B T92 Series two-pole 30A Panel Mount or PCB Power Relay. 40-amp relays feature 2 form A (NO) and 2 form C (CO) switching capability. Designed to control compressor loads to 3.5 tons, 110LRA / 25.3FLA.

TE Connectivity 4-1393211-8 General Purpose Power Relay, AC, Monostable, 2 Form C DPDT-CO, 30 A Contact Rating, 120…


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Specification Sheet

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Multiplier: 120

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Overview

The TE Connectivity (Potter & Brumfield) T92 Series power relay, SKU 4-1393211-8, is a general-purpose, monostable AC relay designed for robust power switching in industrial and commercial applications. This relay features two Form C (DPDT) contacts, providing both normally open (NO) and normally closed (NC) switching per pole, enabling versatile control in complex circuits. With a 30 Amp contact rating at 240VAC, it handles significant current loads, including motor control applications with high inrush currents such as compressors up to 3.5 tons (110LRA / 25.3FLA). The relay operates on a 120VAC coil voltage, making it compatible with standard AC control circuits. The T92 series supports both panel mount and PCB configurations, offering flexible integration into control panels, automation systems, and electrical enclosures. Its monostable design ensures consistent, spring-return operation, while the silver alloy (AgSnO) contacts provide reliable switching for resistive and inductive loads. Typical applications include HVAC systems, refrigeration units, motor starters, and industrial control panels where dependable switching of high-current loads is critical. The relay's construction meets UL 508/873 standards for general-purpose power relays, with contact ratings verified at 25°C for long operational life. Key specifications include: - Contact configuration: 2 Form C (DPDT) contacts - Contact rating: 30A at 240VAC (general purpose), 10A NC at 250VAC (resistive) - Coil voltage: 120VAC - Coil power rating: 4000 mW (for DC coil variants) - Coil resistance: 36.6Ω (for DC coil variants) - Mounting options: Panel mount or PCB - Contact material: Silver alloy (AgSnO) The T92 relay is a proven solution for engineers and technicians requiring a reliable, high-current switching device in demanding environments. Its compatibility with standard AC control systems and robust contact ratings make it a dependable choice for motor control, compressor loads, and general power distribution applications.
  • 2 Form C (DPDT) contacts for NO/NC switching per pole
  • 30A contact rating at 240VAC, suitable for compressor loads (110LRA / 25.3FLA)
  • 120VAC coil voltage for standard AC control circuits
  • Panel mount or PCB configuration for flexible integration
  • UL 508/873 rated for general-purpose power relay applications

Specifications

Amperage Rating
30 A
Application
Industrial controls
Connection
Quick Connect Terminals
Depth
2.7 in
Depth
68.58 mm
Enclosure
Dust Protected
Height
1.0402 in
Height
26.42 mm
Mounting
Panel
Operating Temperature, Maximum
149 F
Operating Temperature, Maximum
65 C
Operating Temperature, Minimum
-67 F
Operating Temperature, Minimum
-55 C
Resistance
950
Special Features
UL Coil Insulation Class F
Type
General Purpose Power Relay
Width
1.3598 in
Width
34.54 mm
With LED Indication
NO
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Frequently Asked Questions

What are the different 'Category of protection' ratings for relays?

Ratings include RT 0 (unenclosed), RT I (dust protected), RT II (flux proof), RT III (wash tight), RT IV (sealed), and RT V (hermetically sealed).

Can product specifications change without notice?

Yes, datasheets, product data, application notes, and specifications are subject to change without prior notice.

What does 'bistable relay' mean?

A bistable or latching relay maintains its last switching position even after the coil input voltage is disconnected.

What is the 'coil operative range' for relays?

The coil operative range shows the admissible energizing voltage with respect to ambient temperature for proper relay function.

What is the purpose of the 'Definitions' section?

The 'Definitions' section provides explanations for terms used in datasheets and product specifications, ensuring clarity and consistency.

What do approval labels like UL or VDE signify?

Approval labels indicate that an independent agency has confirmed the product's compliance with relevant product standards or characteristics.

What is the purpose of 'contact protection circuits'?

Contact protection circuits are used to reduce the negative effects of electrical arcs, prolonging relay life, especially in DC applications.

Frequently Asked Questions about TE Connectivity

What technical support does TE Connectivity offer?

TE Connectivity offers comprehensive technical support through multiple channels, including a dedicated technical hotline at 1-800-777-3300. The company provides advanced technical support with 3 dedicated support centers, a global technical hotline network, and delivers over 8,000 hours of technical training annually to ensure certified expertise across 25+ languages.

What environmental ratings do TE Connectivity products have?

TE Connectivity products feature robust environmental ratings across multiple standards, including NEMA Type 1, 2, 3, 3R, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. Our enclosures are designed to withstand challenging industrial environments, with operating temperatures ranging from -40°C to 130°C, and include enhanced UV inhibitors for outdoor applications.

What certifications and standards do TE Connectivity products comply with?

TE Connectivity products meet rigorous international certifications and standards across industrial automation applications, including UL (United States), CSA (Canada), CE (European Community), and international safety standards. Our product lines are designed to comply with critical industrial certifications such as NEMA (Types 4, 4X, 6, 6P), IP ratings (IP65, IP66, IP67, IP69K), and industrial communication protocols including PROFINET, EtherNet/IP, and DeviceNet. We ensure comprehensive compliance through active participation in key industrial standards committees and maintaining ISO 9001 quality system certification.

What industries and applications are TE Connectivity products used for?

TE Connectivity products are engineered for critical industrial applications across multiple sectors, including industrial device manufacturing, automotive, robotics, food and beverage, material handling, alternative energy, and commercial vehicle industries. Their solutions span connectivity, power distribution, network communications, and sensor technologies that support complex industrial automation requirements, with a focus on robust connectivity solutions for challenging manufacturing environments.

What are the main product lines offered by TE Connectivity?

TE Connectivity offers a comprehensive range of industrial connectivity solutions including Cable Ties, Cable Cleats, Power Connectors, Grounding Connectors, Terminals, Safety Solutions, Identification Products, and Wiring Duct. Their product lines are designed for robust industrial applications, featuring various connection technologies like wave soldering, spring-cage connections, and mis-insertion protection across multiple electrical and connectivity categories.

What accessories are available for TE Connectivity products?

TE Connectivity offers a comprehensive range of communication and bus accessories for industrial automation systems, including communication terminal boards (CTB810, CTB811), bus extenders (horizontal and vertical models like cHBX01L/R, HBX01L/R, VBX01T/B), and bus terminators (TER800, TER810). These accessories are designed to enhance connectivity, power distribution, and communication capabilities for HN800 and CW800 controller systems, with options for left/right side mounting, power connections, and network termination.

How are TE Connectivity products typically installed?

TE Connectivity products are typically installed through professional commissioning services that include site audits, precise wiring verification, and both remote and on-site installation support. Our expert service engineers conduct comprehensive installation processes involving system verification, programming, communication testing, and personnel training to ensure optimal performance and reliability of the equipment.