Parameter Specifications

1. Part Number: 4D33645G04

2. Manufacturer: Emerson Westinghouse

3. Compatible System: Common Q Class 1E Safety Instrument & Control DCS System

4. Matching Accessories: Discrete output logic boards, 49E-3649 rack backplane, 475HP1ENA9GMT redundant rack power supply

5. PCB Material: Multi-layer thick copper V-0 zero-halogen flame-retardant high-Tg FR-4

6. Dimension & Weight: 118mm × 64.5mm × 19.7mm; Net weight: 55g

7. Ambient Conditions: Operating temperature -25℃ ~ +70℃; Storage temperature -50℃ ~ +125℃; Humidity 5%~95% RH, non-condensing

8. Power Input: DC 12V / DC 24V dual adaptive power supply

9. Output Channels: 16 fully independent isolated channels

10. Rated Continuous Output Current: 0.7A per channel

11. Isolation Performance: 2200V AC isolation voltage per channel; 2200V AC dielectric withstand for 60s; Insulation resistance ≥1500MΩ @ 500VDC

12. EMC Index: Power frequency interference attenuation ≥55dB, compliant with IEC 61000-6-2

13. Built-in Circuit: Oversized bidirectional freewheeling absorption circuit for miniature inductive loads

14. Protection & Diagnosis: Per-channel independent fast fuse overcurrent protection, bidirectional high-energy surge absorption, reverse connection prevention, microsecond-level short-circuit instant cut-off, full back EMF clamping, real-time overcurrent/open-circuit/over-temperature fault detection, high-precision timestamp fault code upload

15. Mechanical Performance: Continuous vibration resistance 12g (10–150Hz); Shock resistance 30g pulse, duration 11ms

16. Core Feature: Single-module hot swappable

17. Certifications: CE, UL508, IEC60204-1, NRC Class 1E nuclear safety certification

18. Aging Test Standard: 96-hour full-load high-low temperature cyclic aging

19. Design Service Life: ≥150,000 hours of 24/7 continuous operation

20. Warranty: 12-month global unified warranty

Application Fields

1. Nuclear power plant Common Q Class 1E safety I&C racks: Drive terminal for auxiliary cabinet equipment status lights and miniature safety interlock relays

2. AP1000 nuclear Post-Accident Monitoring System (PAMS): Reinforced isolation drive board for auxiliary equipment alarm annunciators and small control relays

3. Thermal & hydropower station control systems: Output module for boiler auxiliary flame lights and turbine auxiliary safety interlock relays

4. Explosion-proof petrochemical DCS: Wiring card for reactor tank status indicators and safety alarm miniature relays

5. Offshore oil & gas explosion-proof automation racks: Drive interface for wellhead status lamps and auxiliary process interlock relays

6. Large diesel generator safety sequential control cabinets: Discrete output subcard for unit fault indicator lights and control auxiliary relays

7. Municipal large-scale water treatment safety interlock DCS: Drive terminal for liquid level indicator lamps and chemical dosing auxiliary control relays

8. Metallurgy and cement kiln production lines: Drive module for furnace running status indicators and high-temperature auxiliary interlock small relays