H12D4825D Crydom - Relays
H12D4825D Description
Rated at 480 V and 25 A, the Crydom H12D4825D is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.
USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the H12D4825D, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.
Summary of Features
Crydom H12D4825D is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 25 A per channel @ 48-530 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on.
Target Applications
Crydom H12D4825D 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 H12D4825D is a dual-output panel-mount solid state relay (DUAL Series, two independently controlled channels), 25 A per channel @ 48-530 VAC, SCR output, DC control 4-15 VDC, zero voltage turn-on. Source: Crydom DUAL Series datasheet. Values at 25°C unless noted.
| Parameter | Value |
|---|---|
| Output (per channel) | |
| Operating voltage (47-63 Hz) | 48-530 Vrms |
| Maximum load current | 25 Arms |
| Minimum load current | 0.15 Arms |
| Transient overvoltage | 1200 Vpk |
| Maximum off-state leakage @ rated voltage | 10 mArms |
| Minimum off-state dv/dt | 500 V/µs |
| Maximum 1 cycle surge current (50/60 Hz) | 239/250 Apk |
| Maximum on-state voltage drop @ rated current | 1.6 Vpk |
| Thermal resistance junction to case (Rjc) | 1.02 °C/W |
| Maximum I²t for fusing (1/2 cycle, 50/60 Hz) | 285/259 A²s |
| Switching type | zero voltage turn-on |
| Input | |
| Control voltage range | 4-15 VDC |
| Minimum turn-on / turn-off voltage | 4.0 VDC / 1.0 VDC |
| Typical input current | 13 mA @ 5 VDC |
| Nominal input impedance | 240 Ohm |
| Maximum turn-on / turn-off time | 1/2 cycle / 1/2 cycle |
| General | |
| Dielectric strength, input/output | 4000 Vrms |
| Ambient operating temperature | -40 to 80°C |
| Weight (typical) | 3.0 oz (86.5 g) |
Technical document (PDF) | Request a quote for H12D4825D (reply within 24 hours)
Related Part Numbers
| H12D4840D 480V / 40A | H12D4825 480V / 25A | H12D4825GH 480V / 25A | H12D4840DE |
| H12D4850 480V / 50A | H12D4875 480V / 75A | H12D4890 480V / 90A | H10D4850 480V / 50A |
| H12D4825-6187 | H12D4840D-10 | H12D4850-6188 | H12D4875-6189 |
| H12CA4890 | H12CA4890VL | H12CD4850 | H12CD4890 |

