ABB S200 vs Siemens 5SY: Comparison
A grounded, side-by-side comparison of ABB S200 and Siemens 5SY MCBs covering tripping curves, breaking-capacity tiers, current range, RCBO options, and when to pick each.
8 min read
Technical
Technical for buyers and panel builders
Guides and notes on industrial electrical and automation parts: selection, wiring, settings and ordering.
- Articles
- 542
Best RCD and RCBO Brands for Electrical Panels Ranked
A construction-focused ranking of Schneider Acti9, ABB F200/DS201 and Siemens SENTRON RCD and RCBO ranges for panel builders, plus where Chint, Hager, Legrand DX3 and selectivity relays fit.
10 min read
MCCB in Data Center Power Distribution
A practical guide to sizing, coordinating, and metering MCCBs across data center A/B power paths for full selectivity and DCIM/BMS visibility.
10 min read
ABB CM Range Monitoring Relays: Full Range Review
A function-by-function review of ABB CM monitoring relays covering three-phase supply, current, level, temperature and voltage/frequency models.
9 min read
Best VFD Brands for Industrial Applications Ranked
A ranked comparison of ABB, Schneider Electric, and Siemens VFD brands by control method, overload rating, fieldbus support, and total cost of ownership, plus where budget alternatives fit.
10 min read
Schneider TeSys LRD and LR9 Overload Relays: Full Range Review
A range review of Schneider's TeSys LRD, LR9F, LR2K/LR3K and LR9 (TeSys T) overload relays covering current range, trip class, setting, and contactor coordination.
9 min read
Soft Starter for Pumps: Sizing and Settings
How to size current limit, ramp time, and soft-stop settings for a soft starter on a centrifugal pump, and when a VFD is the better fit instead.
10 min read
Siemens SIRIUS 3RV2 MPCB: Full Range Review
A full range review of the Siemens SIRIUS 3RV2 motor protection circuit breaker: frame sizes, thermal-magnetic vs magnetic-only variants, trip class, and 3RT2 contactor coordination.
10 min read
Schneider Acti9 iC60 vs ABB S200: Comparison
A grounded comparison of Schneider Acti9 iC60 and ABB S200 MCBs across curve availability, breaking-capacity tiers, RCBO integration, wiring and busbar ecosystems.
9 min read
Siemens 5SV and 5SU SENTRON RCD: Full Range Review
A full range review of the Siemens SENTRON residual current line, covering the 5SV RCCB, 5SU1/5SV1 RCBO, 5SM3 Type B module, SIGRES coating, and 5SM2 relays for large feeders.
9 min read
MCCB for Motor Feeder Protection
How to choose and coordinate an MCCB versus a dedicated MPCB for motor feeder protection under IEC 60947-4-1 Type 1 and Type 2 coordination.
12 min read
Schneider Zelio Control RM17, RM22 and RM35: Full Range Review
A tier-by-tier review of Schneider Electric's Zelio Control RM17, RM22 and RM35 monitoring relay ranges, covering functions, thresholds and selection criteria.
8 min read
ABB ACS580 vs ACS880: General Purpose vs Industrial
ABB ACS580 general-purpose and ACS880 industrial VFDs share Direct Torque Control, but differ in overload class, regen capability and multidrive expansion.
9 min read
Schneider LRD vs ABB TA vs Siemens 3RU2: Overload Relay Comparison
A side-by-side comparison of Schneider TeSys LRD, ABB TA, and Siemens SIRIUS 3RU2 thermal overload relays covering bimetal amperage range, trip class, reset options, and their electronic step-up lines.
11 min read
Best Soft Starter Brands for Industrial Motors Ranked
A ranked comparison of ABB PSTX, Schneider Altistart ATS480, Siemens SIRIUS 3RW55, and budget soft starter brands by torque control, bypass design, and protection depth.
11 min read
ABB MS116, MS132 and MS165 Manual Motor Starter Review
A comparison of ABB's MS116, MS132 and MS165 manual motor starters covering current range, terminal options, magnetic-only variants, and how to choose between the three frames.
8 min read
Siemens 5SY and 5SL MCB: Full Range Review
A range review of Siemens 5SY and 5SL MCBs covering breaking capacity, curves, current ratings, poles, and the 5SU RCBO variant, with guidance on where each line fits.
9 min read
ABB F200 RCCB and DS201 RCBO: Full Range Review
A full technical review of ABB's F200 RCCB and DS201 RCBO range covering sensitivity, type selection, S-type selectivity and where the modular range hands off to residual current relays.
10 min read
MCCB in Main LV Distribution Boards
How MCCBs function as incomer and outgoing feeder breakers in main LV distribution boards, from ACB coordination and sub-board selectivity to busbar bracing and frame selection.
10 min read
Monitoring Relays for Motor Protection: Phase and Thermistor
How phase-sequence and PTC/PT100 thermistor monitoring relays close the motor-protection gap left by current-only overload relays.
10 min read
Siemens SINAMICS V20 Basic Drive: Full Review
A technical review of the Siemens SINAMICS V20 entry drive: power range, V/f-only control, communication, and where it wins or loses against G120C.
8 min read
How to Read an Overload Relay Coordination Table
How to read an overload relay and contactor coordination table: Type 1 vs Type 2, key columns, and trip class matching.
9 min read
Siemens SIRIUS 3RW Soft Starter: Full Range Review
A full comparison of the Siemens SIRIUS 3RW50, 3RW52 and 3RW55 soft starter lines, covering control method, bypass, safety input and torque control to pick the right one.
8 min read
Schneider TeSys GV2, GV3 and GV4: Full MPCB Range Review
A frame-by-frame review of Schneider TeSys GV2, GV3 and GV4 motor protection circuit breakers covering current range, trip technology, terminals and LC1 contactor coordination.
8 min read
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