Half Size Crystal Can · HI-G Qualified
2HA-2B-126P
2 Form C (DPDT) 5A half-size crystal can relay
2HA-2B-126P is a 2PDT 5A hermetically sealed 2HA relay. 26.5 Vdc nominal coil (32 Vdc maximum), 600 Ω ±10% at 25°C. Plug-in; mounting style B; with insulating pad. See the datasheet drawing to confirm terminal and mounting configuration.
5A at 28Vdc; 1A at 115Vac / 400Hz · coil 26.5Vdc · 600Ω ±10% at 25°C coil resistance

Datasheet values · Revision on attached PDF
2HA-2B-126P
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
- 2HA-2B-126P
- HI-G series / cross-reference
- 2HA Series
- Qualification
- HI-G Qualified
- Nominal coil voltage
- 26.5Vdc
- Maximum coil voltage
- 32Vdc
- Coil resistance
- 600Ω ±10% at 25°C
- Pick-up voltage
- 13.4Vdc max.
- Drop-out voltage
- 1.5Vdc min.
- Terminal style
- Plug-in (code 2)
- Mounting style
- B — see datasheet drawing
- Coil voltage code
- 126
- Insulating pad
- Fitted (suffix P)
- Contact configuration
- 2 Form C (DPDT)
- Resistive contact rating
- 5A at 28Vdc; 1A at 115Vac / 400Hz
- Inductive contact rating
- 0.75A at 28Vdc (200mH)
- Contact resistance
- 0.05Ω max., initial
- Operate / release time
- 4ms max. / 3ms max. at 25°C
- Contact bounce
- 3ms max. at 25°C
- Dielectric strength
- 1000Vrms; 500Vrms open contacts and coil-to-case
- Insulation resistance
- 1000MΩ min. at 500Vdc
- Operating temperature
- −65°C to +125°C
- Shock
- 100g, 6ms
- Vibration
- 20g, 10–2000Hz
- Acceleration
- 30g
- Sealing
- All-welded, hermetically sealed
- Weight
- 10g max.
Technical document · PDF
2HA Series technical datasheet
Electrical characteristics, coil data, contact ratings, environmental limits, terminal styles, dimensions and ordering information for 2HA-2B-126P.
HI-G · MIL · competitor codes
Part number cross-reference
HI-G part number: 2HA-2B-126P. MIL code: not listed for this product. The entries below are family-level cross-reference candidates from the HI-G comparison table. They do not confirm interchangeability or qualification; verify coil, contacts, terminals, mounting and ratings against the applicable datasheet.
RFQ