Parameter Specification Product Model MTL831C Product Line Eaton MTL Surge Protection Devices Application 4-20 mA Analog Signal Lines, Instrumentation Loops Rated Operational Voltage 24 V DC (typical for signal loops) Max. Continuous Operating Voltage 30 V DC Nominal Discharge Current (In) 5 kA (8/20 µs wave) Voltage Protection Level (Up) < 50 V (at 3 kA, 8/20 µs) - This low clamping voltage is crucial for protecting electronics. Response Time Very fast, typically in the nanosecond range Connection Method Screw terminals or plug-in terminal blocks (for easy maintenance) Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -40°C to +80°C Standards Compliance IEC 61643-21, ATEX, IECEx

Parameter Specification Product Model MTL5521 Product Line Eaton MTL Signal Conditioners & Isolators Function Single-channel, 2-Wire Transmitter Isolator & Power Supply Input Signal Accepts and powers a 2-wire, 4-20 mA transmitter from a hazardous area. Output Signal Isolated 4-20 mA DC signal. Input/Output Isolation Galvanic Isolation between input, output, and power supply. Power Supply Typically 20-30 V DC Intrinsic Safety (IS) Approval Yes. Certified for use in Hazardous Areas (e.g., ATEX, IECEx). Entity Parameters (Example values, MUST be verified for design): - Vmax (Ui): e.g., 28 V - Imax (Ii): e.g., 93 mA - Pi: e.g., 0.65 W - Ci: e.g., 0 μF - Li: e.g., 0 mH Non-Incendive (NI) Approval Yes (for applicable standards like FM/CSA). Line Fault Detection Yes, can detect open and short circuits in the field wiring. Accuracy Typically better than ±0.1% of span. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C Compliance & Certifications ATEX, IECEx, FM, CSA, NEPSI, etc. (Specific certifications depend on the product suffix).

Parameter Specification / Inference Product Model T0-4-8344/I1/SVB Product Line Eaton T0 Power Contactor Rated Operational Current (Ie) Typically up to ~25 A at AC-3, 400V Rated Operational Voltage (Ue) Up to 690 V AC Number of Main Poles 4 Coil Voltage 110-120 V AC, 50/60 Hz Auxiliary Contacts 1 NO (Normally Open) Mounting Style Base Mounting with Screw Terminals (SVB) Electrical Life > 1 million operations (at rated load) Mechanical Life > 10 million operations Standards Compliance IEC 60947-4-1, UL 508

Parameter Specification / Inference Product Model E56ADL50UAD01 Product Line Eaton E56 Thermostats Product Type Digital Programmable Room Thermostat Display LCD Power Supply 24 V AC Control Output Analog Output: 0-10 V DC Sensor Input Built-in room temperature sensor (typical) Setpoint Range Typically adjustable (e.g., 5°C to 30°C) Accuracy Typically ±0.5°C Control Action Likely Heating and Cooling mode selectable Programmability Yes, typically 7-day programmable with multiple periods per day Mounting Standard wall mount Enclosure Color Typically white

Parameter Specification Product Model MTL4546Y Product Line Eaton MTL4500+ Series Signal Conditioners & Isolators Function Single-channel, 2-Wire Transmitter Isolator & Power Supply Input Signal Accepts and powers a 2-wire, 4-20 mA transmitter from a hazardous area. Output Signal Isolated Voltage Output (e.g., 0-10 V DC or other programmable range, MUST be verified from datasheet). Input/Output/Power Isolation Galvanic Isolation (Typically 1.5 kV AC or higher) Power Supply Typically 20-30 V DC Intrinsic Safety (IS) Approval Yes. Certified for use in Hazardous Areas (e.g., ATEX, IECEx). Entity Parameters (MUST be verified from datasheet): - Vmax (Ui): e.g., 28 V - Imax (Ii): e.g., 93 mA - Pi: e.g., 0.65 W - Ci: e.g., 0 μF - Li: e.g., 0 mH Non-Incendive (NI) Approval Yes (for applicable standards like FM/CSA). Line Fault Detection Yes, can detect open and short circuits in the field wiring. Accuracy Typically better than ±0.1% of span. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C Compliance & Certifications ATEX, IECEx, FM, CSA, etc.

Parameter Specification / Inference Product Model ZM1/2-XV4 Product Line Eaton ZM (RCCB) Device Type Residual Current Circuit Breaker (RCCB) Number of Poles 2 Poles (1P + N) Rated Current (In) This is not specified in this part of the code. The ZM frame accepts a range of current ratings (e.g., 16A, 25A, 40A, 63A) which is a separate specification. Rated Operational Voltage (Ue) 230 V AC Rated Residual Operating Current (IΔn) 40 mA Type of Residual Current AC (Sensitive to alternating sinusoidal residual currents) Tripping Time Instantaneous (Typically < 300 ms for 1x IΔn, and < 40 ms for 5x IΔn as per standards) Breaking Capacity According to IEC 61009-1 (e.g., 6000 A) Mounting DIN Rail Mount (35 mm) Standards Compliance IEC 61008-1, VDE 0664, etc.

Parameter Specification Product Model MTL4041B Product Line Eaton MTL Signal Conditioners & Isolators Function Single-channel Signal Isolator / Repeater Input Signal 4-20 mA Output Signal Isolated 4-20 mA Input/Output/Power Isolation Galvanic Isolation (Typically 1.5 kV AC or higher) Power Supply Typically 20-30 V DC Accuracy Typically better than ±0.1% of span Load Capacity Typically up to 850 Ω (at 20 mA) Line Fault Detection Yes, can be configured for indication on open or short circuit input. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C

Parameter Specification Product Model MTL7787P+ Product Line Eaton MTL Signal Conditioners & Isolators Function Dual-channel, 2-Wire Transmitter Isolator & Power Supply Input Signal Accepts and powers two independent 2-wire, 4-20 mA transmitters from a hazardous area. Output Signal Two independent, isolated 4-20 mA DC signals. Input/Output Isolation Galvanic Isolation between input, output, and power supply. Power Supply Typically 20-30 V DC Intrinsic Safety (IS) Approval Yes. Certified for use in Hazardous Areas (e.g., ATEX, IECEx). Entity Parameters (Example values, MUST be verified for design): - Vmax (Ui): e.g., 28 V - Imax (Ii): e.g., 93 mA - Pi: e.g., 0.65 W - Ci: e.g., 0 μF - Li: e.g., 0 mH Non-Incendive (NI) Approval Yes (for applicable standards like FM/CSA). Line Fault Detection Yes, can detect open and short circuits in the field wiring. Accuracy Typically better than ±0.1% of span. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C

Parameter Specification Product Model MTL7767+ Product Line Eaton MTL Signal Conditioners & Isolators Function Dual-channel, 2-Wire Transmitter Isolator & Power Supply Input Signal Accepts and powers two independent 2-wire, 4-20 mA transmitters from a hazardous area. Output Signal Two independent, isolated 4-20 mA DC signals. Input/Output Isolation Galvanic Isolation between input, output, and power supply. Power Supply Typically 20-30 V DC Intrinsic Safety (IS) Approval Yes. Certified for use in Hazardous Areas (e.g., ATEX, IECEx). Entity Parameters (Example values, MUST be verified for design): - Vmax (Ui): e.g., 28 V - Imax (Ii): e.g., 93 mA - Pi: e.g., 0.65 W - Ci: e.g., 0 μF - Li: e.g., 0 mH Non-Incendive (NI) Approval Yes (for applicable standards like FM/CSA). Line Fault Detection Yes, can detect open and short circuits in the field wiring. Accuracy Typically better than ±0.1% of span. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C

Parameter Specification Product Model MTL7782+ Product Line Eaton MTL Signal Conditioners & Isolators Function Dual-channel, 2-Wire Transmitter Isolator & Power Supply Input Signal Accepts and powers two independent 2-wire, 4-20 mA transmitters from a hazardous area. Output Signal Two independent, isolated 4-20 mA DC signals. Input/Output Isolation Galvanic Isolation between input, output, and power supply. Power Supply Typically 20-30 V DC Intrinsic Safety (IS) Approval Yes. Certified for use in Hazardous Areas (e.g., ATEX, IECEx). Entity Parameters (Example values, MUST be verified for design): - Vmax (Ui): e.g., 28 V - Imax (Ii): e.g., 93 mA - Pi: e.g., 0.65 W - Ci: e.g., 0 μF - Li: e.g., 0 mH Non-Incendive (NI) Approval Yes (for applicable standards like FM/CSA). Line Fault Detection Yes, can detect open and short circuits in the field wiring. Accuracy Typically better than ±0.1% of span. Mounting DIN-Rail Mount (Standard 35 mm) Operating Temperature -20°C to +60°C