SIL 3 for NE Load according IEC 61508:2010, with single PSD1220 module or more PSD1220 modules in redundant configuration (see ISM0371 for more information)
SIL 2 / SIL 3 for ND Load according IEC 61508:2010, with two or more PSD1220 modules in redundant configuration (see ISM0371 for more information)
Systematic capability SIL 3
Power factor correction
Installation in Zone 2/Div. 2
EMC Compatibility to EN61000-6-2, EN61000-6-4
Highly regulated output of 24 Vdc, 20 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
Better than 93% efficiency @230 Vac input, full load and full output voltage range
High load fuse breaking capability without interrupting operations
Conformal coated on all boards for durability and protection.
The Power Supply type PSD1220 is an anodized aluminum unit. The Power Supply provides 24Vdc, 20 A output. PSD1220 unit can be paralleled, with load sharing circuits, which distribute current load equally to each power supply to increase reliability and reduce internal power dissipation
