H12WD48125-10 Crydom - Relays
H12WD48125-10 Description
The H12WD48125-10 from Crydom is a solid state relay. Typical uses include temperature control of heaters, packaging and plastics machinery, and general industrial load switching.
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Summary of Features
Crydom H12WD48125-10 is a 125 A panel-mount solid state relay, H12WD Series (48-660 VAC, snubberless), SCR output, snubberless (low off-state leakage), 1200 Vpk transient rating, DC control, instantaneous (random) turn-on.
Target Applications
Crydom H12WD48125-10 is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.
Key Specifications
Crydom H12WD48125-10 is a 125 A panel-mount solid state relay, H12WD Series (48-660 VAC, snubberless), SCR output, snubberless (low off-state leakage), 1200 Vpk transient rating, DC control, instantaneous (random) turn-on. Source: Crydom H12WD Series datasheet. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output | |
| Operating voltage (47-440 Hz) | 48-660 Vrms |
| Maximum load current | 125 Arms |
| Transient overvoltage | 1200 Vpk |
| Minimum load current | 150 mArms |
| Maximum 1-cycle surge current (50/60 Hz) | 1670/1750 Apk |
| Maximum on-state voltage drop @ rated current | 1.15 Vrms |
| Maximum off-state leakage @ rated voltage | 1.0 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Maximum I²t for fusing, 1/2 cycle (50/60 Hz) | 13950/12709 A²s |
| Thermal resistance junction to case (Rjc) | 0.22 °C/W |
| Switching type | instantaneous (random) turn-on |
| Input | |
| Control voltage range | 4-32 VDC |
| Minimum turn-on voltage | 4.0 VDC |
| Must turn-off voltage | 1.0 VDC |
| Input current | 7-12 mA |
| Maximum turn-on / turn-off time | 1/2 cycle / 1/2 cycle |
| General | |
| Dielectric strength, input/output/base | 4000 Vrms |
| Ambient operating temperature | -40 to 80°C |
| Weight (typical) | 2.6 oz (74.9 g) |
Technical document (PDF) | Request a quote for H12WD48125-10 (reply within 24 hours)
Related Part Numbers
| H12WD4890-10 480V / 90A | H12WD4850-10 480V / 50A | H12WD4825-10 480V / 25A | H12WD4850-5486 480V / 50A |
| H12WD4850-6389 480V / 50A | H12WD4825-6179 480V / 25A | H12WD48110 | H12WD48125 |
| H12WD48125-10-6907 | H12WD48125PG | H12WD4825 | H12WD4825PG |
| H12WD4850 | H12WD4850-MS2 |

