4PDT Power Relay · M83536/15 C.O.T.S. reference
4BT-CY3A
M83536/15-021L
4PDT 10A hermetically sealed relay
4BT-CY3A is a 4PDT hermetically sealed relay rated up to 10A. It is cross-listed to M83536/15-021L as a C.O.T.S. configuration reference. The coil is 28 Vdc nominal, 320 Ω ±10% at 25°C. Header: Solder-hook header; mounting: Side mounting brackets; wiring: Standard wiring (no suffix). The cross-reference does not establish MIL qualification or certified failure-rate performance; verify configuration and availability against the datasheet.
10A at 28Vdc or 115Vac / 400Hz · coil 28Vdc · 320Ω ±10% at 25°C coil resistance
Datasheet values · Revision on attached PDF
4BT-CY3A
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
- 4BT-CY3A
- HI-G series / cross-reference
- 4BT Series
- Qualification
- M83536/15 C.O.T.S. reference
- MIL cross-reference status
- M83536/15-021L — C.O.T.S. configuration reference only; this does not establish MIL qualification or certified failure-rate performance.
- Failure-rate suffix mapping
- HI-G A maps to MIL level L; verify qualification evidence separately.
- Header configuration
- C — Solder-hook header
- Mounting configuration
- Y — Side mounting brackets
- Wiring
- Standard wiring (no suffix)
- Configuration status
- Confirm exact construction and availability against the linked datasheet.
- Nominal coil voltage
- 28Vdc
- Maximum coil voltage
- 32Vdc
- Coil resistance
- 320Ω ±10% at 25°C
- Pick-up voltage
- 19Vdc max.
- Drop-out voltage
- 2.3Vdc min.
- Contact configuration
- 4PDT (4 poles double throw)
- Resistive contact rating
- 10A at 28Vdc or 115Vac / 400Hz
- Inductive contact rating
- 8A at 28Vdc or 115Vac / 400Hz
- Motor contact rating
- 4A at 28Vdc or 115Vac / 400Hz
- Lamp contact rating
- 2A at 28Vdc or 115Vac / 400Hz
- Contact resistance
- 50mΩ typical
- Operate / release time
- 15ms max. / 10ms max. at 25°C
- EMF suppression
- Suppressed to -42V
- Dielectric strength
- 1000Vrms, 60Hz, all points at sea level
- Insulation resistance
- 1000MΩ min. at 500Vdc, all terminals to case
- Rated life
- 100,000 operations at resistive load
- Operating temperature
- −65°C to +125°C
- Shock
- 200g, 6 ±1ms
- Vibration
- 50g, 10–3000Hz sinusoidal
- Sealing
- Hermetic, 1.3 in Hg
- Weight
- 2.8oz (80g) typical
Technical document · PDF
4BT Series technical datasheet
Electrical characteristics, coil data, contact ratings, environmental limits, terminal styles, dimensions and ordering information for 4BT-CY3A.
HI-G · MIL · competitor codes
Part number cross-reference
HI-G part number: 4BT-CY3A. MIL code: M83536/15-021L. 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.