SIL 3 Power Supply System, 24Vdc, 1 X 50A & 1 X 50A/100A redundant, Zone 2 / Div. 2
The Power Supply System type PSS1250 is an anodized aluminum 19” Rack unit (4U high) suitable to accept up to 6 plug-in Power Supply Modules type PSM1250 and 1 Overview module for diagnostic functions (modules are NOT included in this ordering code). Each module is able to provide 24Vdc, 50 A output. Modules can be paralleled with load sharing circuits which distribute current load equally to each power supply module to increase reliability and reduce internal power dissipation. The system accepts up to two independent AC power sources from 110 to 240 Vac (+/- 10%).
FEATURES
- SIL 3 for NE Load according IEC 61508:2010, with single PSM1250 module or with two or more PSM1250 modules in redundant configuration.
- SIL 2 for ND Load according IEC 61508:2010, with two or more PSM1250 modules in redundant configuration.
- 2 universal AC Input Lines, 110 to 240 Vac (+/- 10%) (48 to 62 Hz).
- Power factor correction.
- Installation in Zone 2 / Div. 2 hazardous locations.
- EMC Compatibility to EN61000-6-2, EN61000-6-4.
- ATEX, IECEx, UL & C-UL, TÜV Certifications.
- TÜV Functional Safety Certification.
- Highly regulated output of 24 Vdc (21÷28 Vdc setting range), 50 A, for PSM1250 module.
- 1 x redundant system output 24 Vdc, 50 A and 1 x redundant system output 24 Vdc, 50 A or 100 A.
- Under and over voltage alarm monitoring.
- 3 over voltage redundant protections.
- Redundant parallel connections with load sharing.
- Reduces Power dissipation (in parallel/redundant configuration) by replacing a Schottky diode with Mosfet Active Ideal Diode.
- 89% efficiency @230 Vac input and 24 Vdc output with full load.
- Fan speed control depending on ambient temperature and output power.
- High load fuse breaking capability without interrupting operations.
- Wall mounted 19" Rack unit, 4 U high, anodized aluminium, durable metal enclosure.
- Tropicalization for electronic components.
- Modbus RTU RS-485 diagnostic output.