OMRON G3PA-260B-VD Single-Phase Solid State Relay

Produkttyp: Single-phase SSR (Solid State Relais), integrated heat sink, zero-cross turn-on

Eingang: DC 5~24V; Ausgabe: AC 24~240V, 60A bei 40℃

1. Wichtige Spezifikationen

Control Input: Gleichstrom 5–24 V, max control current 7mA; operate voltage ≤4V, release voltage ≥1V

Lastspannung: AC 24～240V (operating range 19～264VAC, 50/60Hz)

Nennstrom: 60A (AC-1, 40℃); derate to 48A when densely installed side-by-side

Surge Current: 440A (60Hz, 1 Zyklus); VDRM 600V

On-state Voltage Drop: ≤1.6V RMS; Off-state Leakage Current: ≤20mA @ 200VAC

Triggermodus: Zero-crossing Turn-on, minimizes inrush & EMI

Isolierung: Phototriac optocoupler isolation

Spannungsfestigkeit: 4000VAC 1min; Insulation Resistance ≥100MΩ (DC500V)

Montage: DIN-Schiene / Schraubmontage; with operation indicator

Umgebungstemperatur: -30～+80℃ (keine kondensation); Lagerung: -30～100℃

Besonderheit: Replaceable power cartridge for low maintenance cost

2. Dekodierung der Modellnummer

G3PA: Series of high-current SSR with replaceable power modules

2: Output voltage class AC24–240V (4 = AC200–400/480V high voltage)

60: Rated current 60A

B: Integrated heat sink

VD: DC voltage input (DC5–24V)

3. Typische Anwendungen

Resistive AC loads such as heating tubes, Infrarotlampen, Ventilatoren und Förderbänder; direkt über SPS-Transistorausgänge angesteuert.

Notiz: Add varistor/RC snubber for inductive motor loads; never operate over current or over temperature.

4. Same Series Cross Reference

G3PA-240B-VD: AC24–240V, 40A

G3PA-430B-VD: AC200–400V, 30A

5. Domestic Equivalents (DC5-24V input, AC24-240V, 60A zero-cross SSR)

Meigeer MGR-1 D60

Ximanton H360ZF

Yangming SSR-60DA-H

Application Scenarios for G3PA-260B-VD

Core features summary: DC5–24V control, AC24–240V single-phase output, 60A, Nulldurchgangsauslöser, built-in heat sink, field-replaceable power cartridge, PLC direct drive, kontaktlos, Hochfrequenzschaltung. First choice for resistive heating loads.

Erinnerungen: This is a single-phase SSR; verwenden 3 units in parallel for 3-phase heating control (one per phase).

Hauptanwendungen (Beste Übereinstimmung)

1. Temperature-controlled heating systems (largest application)

Industrial ovens, drying cabinets, thermostatic baths, Alterungstestkammern; barrel heating for injection & extrusion machines, mold temperature controllers; heat-seal blades, hot plates on packaging machines; electroplating tank heaters, thermal oil heaters.

Vorteil: Zero-cross switching avoids voltage spikes; matches PID time-proportion control from temperature controllers; contact-free design delivers ultra-long life for frequent cycling.

2. High-power resistive lighting

Infrared heating lamps, halogen lamps, greenhouse supplementary lighting arrays.

✘ Not recommended: Fluorescent lamps & LED-Netzteile (inductive/capacitive surge loads).

3. Light-duty fans & Förderer (inductive loads with surge protection)

Kleine Radialventilatoren, hot air circulation blowers, single-phase conveyor motors with infrequent starts.

⚠️ Motors are inductive loads; external varistor/RC snubber is mandatory to suppress back EMF, otherwise the SSR will break down easily. Not suitable for large motors or frequent forward/reverse operation.

Other General Automation Applications

1. Verpackungsmaschinen: Heat shrinkers, hot-knife cutters, hot air power control
2. Gummi & plastic equipment: Heating platens for vulcanization & thermoforming molds
3. Environmental test equipment: Heating circuits in temperature & humidity chambers
4. Lebensmittelmaschinen: Baking lines, fryer heating elements, thermal blanching equipment
5. HVAC: Electric duct heaters, auxiliary air-conditioning heating sections
6. Cabinet power distribution: Relais austauschen + Schützkombinationen; quiet, arcless operation, DIN-Schienenmontage.

When to choose this SSR instead of electromagnetic contactors

Häufiges Ein-/Ausschalten & PID power regulation (switching every several seconds)

Controlled by PLC or temperature controller DC24V transistor outputs

No arc noise, no contact burn-out & low maintenance required

DIN rail mounting with limited cabinet space, integrated heat sink included

Quick power cartridge replacement without full rewiring later

Unsuitable / Restricted Applications

Direct-on-line starting of large motors, frequently started pumps (high inrush current causes instant damage)

Kapazitive Lasten, large switching power supply banks

400VAC loads (max rated voltage only 264VAC)

DC-Lasten (this model is AC-output SSR only)

Circuits requiring short-circuit protection: SSR has no built-in short-circuit protection; fuse/circuit breaker must be installed upstream.

Sizing Tips

Derate to 48A when tightly mounted side-by-side (80% aktuelle Bewertung); always leave current margin.

Induktive Lasten: Fit external 471K (470V, ≥1000A) varistor across output terminals, shortest wiring possible.

3-phase heating scheme: 3 independent G3PA-260B-VD, one per phase, keep 3-phase load balanced.

PID Power Regulation Wiring + Varistor Selection + Derating Installation Standard

Key note: This is a zero-crossing SSR, designed exclusively for time-proportion PID power regulation, not for phase-angle voltage regulation. DC5~24V input, control current ≤7mA; PLC transistor outputs and temperature controller SSR ports can drive it directly without auxiliary relays.

1. PID Control Wiring (Temperaturregler / SPS)

Terminaldefinition (G3PA-260B-VD)

Control Input: A1(+), A2(-) (DC5~24V; reverse polarity will not burn the unit, just no operation)

Leistungsabgabe: Line IN, Line OUT (series-connected on live wire, 24~240VAC)

Recommended wiring: MCB → semiconductor fast fuse → SSR output → Load → Neutral (N wire bypasses SSR entirely).

Schema 1: Driven by OMRON E5CC/E5EC Temperature Controller (Most Common Heating Loop)

1. SSR output of temperature controller → A1(+), A2(-) of G3PA
2. Separate power supply & PT100 thermocouple wiring
3. Critical parameter settings

Ausgabemodus: SSR / Time Proportion (Zero-cross); DO NOT select phase-angle mode

Cycle Time (T): 20~40s for resistive heating; 30s for ovens & mold heaters. Too short a cycle causes overheating; too long creates large temperature fluctuations.

Run AT auto-tuning after stable temperature holding.

Notiz: Open-collector outputs on temperature controllers have built-in 24VDC drive power, directly compatible with G3PA.

Schema 2: PLC Transistor DO Drive (PNP / NPN)

PNP-Ausgang: PLC Y terminal → A1(+); 0V of 24VDC → A2(-)

NPN-Ausgang: 24VDC+ → A1(+); PLC Y terminal → A2(-)

SPS-Programm: Use fixed-cycle duty-cycle output (z.B. 30s period, 0~100 %). Avoid high-frequency PWM which overheats the thyristor.

Only 7mA input current; standard PLC transistor outputs can drive it without current-limiting resistors.

3-phase Heating (3× G3PA-260B-VD)

Independent phase control: one single-phase SSR per A/B/C phase. Inputs can share multi-channel SSR outputs from one temperature controller or multiple PLC DO points.

⚠️ This is not a 3-phase SSR; nur 3 separate single-phase units, keep load current balanced across 3 Phasen.

2. Varistor & RC Snubber Selection (Mandatory for Inductive Loads)

The G3PA has an internal varistor, but inductive back EMF exceeds internal absorption capacity; external MOV is required, wired directly across SSR output terminals with minimal lead length.

220VAC System (Primäre Anwendung)

Varistor: 14D471K (470V, ≥1000A surge current); 10D471K also acceptable.

110VAC System: 14D271K (270V, ≥1000A)

RC-Snubber (for solenoid valves, kleine Fans & Transformatoren):

C=0.047~0.1μF / 630VAC; R=100~220Ω / 2W, series RC across output terminals.

✅ Resistive heating tubes: External snubber optional; ✅ Fans, Spulen & transformers will blow the SSR without external MOV.

Upstream Fuse Protection (Kritisch: SSR has no short-circuit protection)

Semiconductor SSR fails instantly under short-circuit conditions; use aR/gR semiconductor fast fuses, not standard gG general fuses.

Widerstandsheizlasten: 80A fast fuse (1.2~1.5× rated current of 60A)

Inductive fan loads: 100A fast fuse

Install fuse immediately upstream of the SSR to shorten fault loop length.

3. Derating & Installationsspezifikationen (G3PA-260B-VD Special Rule)

The G3PA-260B-VD cannot be tightly mounted side-by-side (stated in official datasheet), different from 240B/220B models.

1. Full rating condition: Vertical independent mounting, ≥10mm clearance left & Rechts, ambient temp ≤40℃ → 60A full current.
2. Densely arranged on DIN rail:

2 or more units installed tightly together: Max current limited to 48A (80% Derating).

4+ units side-by-side: Maintain ≥10mm gap between adjacent SSRs, otherwise overheating failure occurs.

Vertikales Stapeln: ≥80mm vertical gap between upper & lower SSRs to keep airflow.

3. Horizontal flat mounting (heat sink sideways): Derate current by an additional 30%; avoid this mounting orientation.
4. Cabinet ambient >40℃: Further derate current per temperature derating curve; add cabinet cooling fans.
5. Terminal torque: M3,5-Schraubklemmen, tighten to 0.8~1.2N·m. Loose terminals cause overheating & verbrannte Terminals.
6. Cartridge replacement: G3PA allows standalone replacement of the G32A power cartridge without rewiring main power circuits, ideal for bulk maintenance.
7. Commissioning Troubleshooting Checklist
8. Never use this zero-cross SSR for phase-angle dimming/power control; it only supports time-proportion ON/OFF power regulation.
9. Off-state leakage: ≤20mA residual voltage across load when SSR is OFF; always isolate upstream MCB before maintenance.
10. Do not add large series resistors on input side; low voltage will cause false triggering.
11. Separate DC24V control wiring from high-current power cables to avoid EMI interference.
12. Cold heating element inrush current: Limit heater rated current to ≤70% of SSR rated current for extra safety margin.
13. Schnelle Fehlerdiagnose

Indicator ON, load no heat: Open circuit on main circuit, Sicherung durchgebrannt, broken heater element.

Indicator OFF: No input voltage/polarity reversed, temperature controller output disabled, PLC program no output.

Repeated SSR breakdown: No external MOV for inductive loads, insufficient heat dissipation, oversized fuses, frequent mains voltage surges.

Severe temperature oscillation: PID cycle time too short, P-gain too high, poor thermal insulation, thermocouple misposition.

OMRON Single-Phase SSR + Electromagnetic Power Relay List

Notiz: All SSRs are zero-crossing, opto-isolated. G3PA series (Ihr aktuelles Modell) features replaceable power cartridges, integrated heat sink & DIN-Schienenmontage. G3NA/G3NE are cost-effective compact SSRs. Electromagnetic relays are plug-in cabinet relays for PLC & temperature control loops.

Teil 1: G3PA Series (Single-phase SSR, Priority Model)

Replaceable Power Cartridges

G32A-A20-VD-X: For G3PA-220B

G32A-A40-VD: For G3PA-240B

G32A-A60-VD: For G3PA-260B

Teil 2: G3NA Economy Single-phase SSR (No integrated heat sink)

Teil 3: G3NE Compact Mini SSR (Space-saving low-power use)

Teil 4: G3PJ / G3PE New Generation SSR (Federklemmen, high surge resistance)

G3PJ-225B: AC24–240V, 25A, DC5–24V

G3PJ-245B: AC24–240V, 45A, DC5–24V

G3PE-225B: AC24–240V, 25A, DC5–24V

G3PE-245B: AC24–240V, 45A, DC5–24V

Modellkodierungsregel:

2 = AC24~240V (220V heating mainstream)

4 = AC200~400/480V high voltage

VD = DC input; A = AC input

Teil 5: OMRON Electromagnetic Power Relays (Plug-in cabinet type)

1. G2R Series (General-purpose Intermediate Relays)

2. LY High-current Plug-in Power Relays (Replace small contactors)

3. G7L High-capacity Power Relays (30A direct single-phase load control)

4. G6B / G6D PCB Mini Relays (Onboard PLC & Temperaturregler)

G6B-1174P: 1A, 5A, DC24V

G6D-1A: 1A, 5A, DC24V

Teil 6: Auswahlhilfe: SSR vs Electromagnetic Relay

1. Heizung, PID power regulation, häufiges Umschalten & arcless operation → G3PA (Erste Wahl) / G3NA
2. PLC DO signal conversion, low-frequency switching → G2R intermediate relay
3. ≤30A low-frequency single-phase loads, cost-sensitive → G7L / LY relays
4. Low-power, space-restricted applications → G3NE, G3PJ