Overview
The Invensys 8312, also cataloged as the 8312 230 VAC – 175 Watt Power Module, operates as a dedicated power conversion component for regulated DC supply distribution within Triconex safety system chassis platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8312 |
| Brand | Invensys |
| Product Type | 230 VAC – 175 Watt Power Module |
| Origin | USA |
| Weight | 2.85 kg |
| Dimensions | 6.1 x 40.5 x 17.7 cm |
| Power Consumption | 240 W minimum input per power source |
| Input Voltage | 230 VAC (-15% to +10%) |
| Extended Input Voltage Range | 185 to 285 VAC |
| Input Frequency | 47 to 63 Hz |
| Output Voltage | 6.5 VDC regulated output |
| Output Power Rating | 175 W at 60 deg C ambient temperature |
| Maximum Output Current | 27 A |
| Input to Output Isolation | 1000 VAC or 1500 VDC |
| Low Line On/Off Hysteresis | 15 VAC |
| Power Factor | 0.70 typical |
| Crest Factor | 2.5 typical |
| Steady-State Input Current | 0.4 A typical, 1.2 A maximum |
Triconex SIS Power Distribution and Isolation Characteristics
The Invensys 8312 Power Module converts 230 VAC input power into a regulated 6.5 VDC output supply for Triconex Main Chassis, Expansion Chassis, and Remote Expansion Module (RXM) chassis assemblies. The module supports redundant power configurations by providing isolated DC power conversion for Tricon safety control hardware.
Additionally, the module applies galvanic isolation between input and output circuits with a rated isolation level of 1000 VAC or 1500 VDC. This electrical separation reduces coupling between field AC sources and low-voltage Tricon system power circuits during normal operation.
The 8312 module supports Triconex SIS architectures based on fault-tolerant control principles. Therefore, it operates as part of a chassis power infrastructure designed for continuous safety system execution and controlled fault response.
Frequently Asked Questions
Q: What input voltage range does the Invensys 8312 Power Module support?
A: The module accepts a nominal 230 VAC input with an operating range from 185 to 285 VAC and an input frequency range of 47 to 63 Hz.
Q: What output supply does the 8312 provide to Triconex chassis components?
A: The module provides a regulated 6.5 VDC output with a 175 W power rating and a maximum output current of 27 A.
Q: Does the 8312 support redundant power configurations?
A: Yes. The module supports redundant power arrangements within Triconex Main Chassis, Expansion Chassis, and RXM chassis installations.
Field Installation Guidelines
- Install the 8312 module only in compatible Triconex chassis power locations defined by the system hardware configuration.
- Verify AC input wiring polarity, protective grounding, and terminal connection integrity before energizing the module.
- Maintain separation between AC input wiring and low-voltage DC distribution cables to reduce electrical interference.
- Confirm chassis grounding and shield termination practices according to the Triconex installation documentation.
- Inspect connector seating and mechanical mounting before system startup.
- Verify redundant power source operation after installation when the system uses multiple power modules.
Triconex Top Products
| Triconex | Triconex | Triconex |
| 3625 | CM3201 | 4211 |
| 3700A | 7400207-001 | 9662-810 |
| 4329 | 7400209B-030 | 9563-810 |
| 3008 | 7400208C-020 | 9753-110 |
| 4119A | 7400209-030 | 9853-610 |
| 3636T | 8306A | 9761-210 |
| 3805E | 3625C1 | 4351B |
| 4351A | 3481 S2 | 3721 |
| DO3401 | 4210 | 8312 |
| DI3301 | 8111 | 3503E |
| 3664 | 9562 3000520-390 | MP3101 |
Reviews
There are no reviews yet.