YOKOGAWA SPW482-53

YOKOGAWA SPW482-53

1. Product Overview of YOKOGAWA SPW482-53

The YOKOGAWA SPW482-53 is an original factory safety-grade power supply module belonging to the full SPW482 lineup, including SPW482-13, SPW482-50, SPW482-E3 variants. Unlike general DCS power units such as PW482-50, the SPW482-53 is purpose-built exclusively for Yokogawa ProSafe-RS safety instrumented systems (SIS), delivering regulated dual DC outputs to safety logic solvers, FIO safety node bases and ESB safety repeaters. It fits standard P1/P2 redundant slots on ANB10D-S, ANB11D-S safety racks without mechanical modification. Designed for 24/7 continuous operation in refineries, natural gas plants and chemical production lines, YOKOGAWA SPW482-53 features reinforced EMI filtering and wide-temperature hardware compliant with ISA G3 industrial environmental standards, eliminating voltage drift risks that could trigger safety interlock misoperations.

2. SPW482-53 Complete Model Suffix Code Breakdown

SPW482: Base series identifier, representing SIS dedicated AC input power module (PW482 for regular CENTUM DCS non-safety racks)

First suffix digit “5”: Hardware classification code, standard industrial version without intrinsic explosion-proof certification; “E” marked SPW482-E3 carries flameproof construction for Zone 2 cabinet installations

Second digit “3”: Environmental grade option, factory-calibrated to meet ISA G3, supporting extended -20°C to +70°C operating temperature; suffix “1” denotes narrow-temperature indoor cabinet variant

3. Full Technical Parameters of YOKOGAWA SPW482-53

Core Model: YOKOGAWA SPW482-53, compatible series: SPW482-13, SPW482-50, SPW482-E3

AC Input Spec: 220–240 V AC ±10%, 50/60 Hz ±3 Hz, max input apparent power 230 VA, 5-second 270 V AC surge withstand

Dual DC Output Spec: Main 5.1 V DC (7.8 A for safety logic boards), auxiliary 24 V DC (1.7 A for field safety transmitters)

Conversion Efficiency: Peak 92% under full rated load, output ripple ≤45 mV RMS

Physical Dimensions: 44.45 mm (W) × 264.2 mm (H) × 186 mm (D), single unit weight 1.4 kg

Thermal Structure: Fanless natural convection cooling, operational acoustic noise ≤32 dB

Environmental Tolerance: Operating temperature -20°C ~ +70°C (ISA G3); storage temperature -40°C ~ +85°C; humidity 5%–95% RH non-condensing

Mechanical Resistance: Vibration resistance 5–57 Hz, 0.075 mm amplitude; shock tolerance 300 m/s² 11 ms pulse

Integrated Protection Circuits: Auto shutoff for overvoltage, overcurrent, short-circuit and overheating; independent fuse paths for 5V and 24V channels

Electrical Insulation: Insulation resistance ≥100 MΩ under 500 V DC dielectric test

Reliability Index: MTBF 105,000 hours at 25°C ambient temperature

Housing & Protection Rating: Metal sealed casing, IP20 cabinet internal protection

Compliance Certifications: CE, UL, RoHS, IEC 61508 SIL 2 safety compatibility certified

Installation Feature: Hot-swappable under dual redundant SPW482-53 parallel deployment

4. Unique Core Advantages of YOKOGAWA SPW482-53

First, the YOKOGAWA SPW482-53 adopts safety-grade component screening stricter than standard PW482 power modules, matching SIL 2 safety loop requirements without additional isolation accessories. Second, dual independent output circuits separate logic and field power, avoiding cross-channel interference that disturbs SIS interlock signals. Third, full SPW482 series units including SPW482-53 support seamless redundant parallel running; single module failure triggers millisecond-level power switching with zero process safety interruption. Fourth, unified rack plug-in interface enables direct replacement for aging SPW482-13 or SPW482-50 units during cabinet maintenance. Every YOKOGAWA SPW482-53 undergoes 72-hour continuous factory aging testing before packaging delivery.

5. Industrial Applications & Global Supply Support

YOKOGAWA SPW482-53 serves all facilities operating ProSafe-RS SIS paired with CENTUM VP control systems, including crude oil refineries, liquefied gas terminals, pharmaceutical batch safety lines and coal-fired power plant safety cabinets. Automation integrators, plant safety maintenance teams and DCS spare parts distributors maintain regular stock of SPW482-53 for emergency rack overhaul. All supplied YOKOGAWA SPW482-53 modules are brand-new original with intact anti-static Yokogawa carton packaging, covered under a 12-month factory warranty, with door-to-door bulk shipping available for worldwide industrial equipment buyers.