Balance Force Relay · MIL-DTL-83536
ARH325-BZ4-S
3PDT 25A hermetically sealed power relay
A high-current three-pole double-throw relay offering up to 25A switching and environmental performance aligned with M83536/32 and /33.
25A at 28Vdc or 115Vac / 400Hz · coil 28Vdc · 290Ω ±10% at 25°C coil resistance
Datasheet values · Revision on attached PDF
ARH325-BZ4-S
technical specifications
Values below are taken from the product datasheet associated with this part number. Qualification-specific limits remain governed by the controlled PDF.
- Part number
- ARH325-BZ4-S
- HI-G series / cross-reference
- ARH325 Series
- Qualification
- MIL-DTL-83536
- Nominal coil voltage
- 28Vdc
- Maximum coil voltage
- 29Vdc
- Coil resistance
- 290Ω ±10% at 25°C
- Pick-up voltage
- 18Vdc max.
- Drop-out voltage
- 1.5Vdc min.
- Contact configuration
- 3PDT
- Resistive contact rating
- 25A at 28Vdc or 115Vac / 400Hz
- Inductive / motor / lamp
- 12A / 10A / 5A
- Contact resistance
- 50mΩ typical
- Operate / release time
- 15ms max. / 15ms max. at 25°C
- Contact bounce
- 1ms max. at 25°C
- Dielectric strength
- 1000Vrms at sea level
- Insulation resistance
- 1000MΩ min. at 500Vdc
- Rated life
- 50,000 operations at resistive load
- Operating temperature
- −65°C to +125°C
- Shock
- 200g, 6 ±1ms
- Vibration
- 30g, 10–3000Hz
- Acceleration
- 50g
- Sealing
- All-welded, hermetically sealed
- Weight
- 80g typical
Technical document · PDF
ARH325 Series technical datasheet
Electrical characteristics, coil data, contact ratings, environmental limits, terminal styles, dimensions and ordering information for ARH325-BZ4-S.
Need an equivalent?
Send the legacy or competitor code.
Our technical team will verify the electrical, mechanical and environmental requirements before proposing the closest HI-G configuration.