#B278 On-off Thermostat | Switches

B278

Thermostatic Switch

NSN 5930-01-054-3489

DEMIL

Shelf Life

UOM

NIIN

Demil:

NO

Shelf Life:

N/A

UOM:

1 EA

NIIN:

010543489

Detail Specifications

Overall Length:

1.060 inches

Body Diameter:

0.650 inches

Body Height:

Between 0.233 inches and 0.315 inches

Unthreaded Mounting Hole Diameter:

Between 0.104 inches and 0.112 inches

Distance Between Mounting Facility Centers:

0.937 inches

Operating Tempurature Rating:

185.0 degrees fahrenheit

Mounting Method:

Flange and unthreaded hole

Contact Action Stimulus:

Increase

Mounting Facility Pattern:

Two position in-line

Nonpile-up Contact Arrangement:

1 pole, single throw, both positions maintained

Terminal Type:

Tab, solder lug

Contact Load Current Rating:

2.0 amperes resistive load single voltage

Contact Adjustability:

Deactuation point not adjustable and actuation point not adjustable

Contact Stimulus Rating:

131.00 actuation point degrees fahrenheit and 135.00 actuation point degrees fahrenheit and 4.00 differential point degrees fahrenheit

Contact Voltage Rating In Volts:

28.0 dc at sea level single voltage

NSN:

5930-01-054-3489

Item Name:

On-off Thermostat

Cage Code:

90536

Manufacturer Part Numbers

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

Cage Code:

RNCC:

1

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AF

Part Number:

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AC

Part Number:

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

4286A2-152

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

7921714-00

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AC

Part Number:

4912495-02

Cage Code:

RNCC:

1

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AF

Part Number:

4286A2-152

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

3150-50-3

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

4286A2-152

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

7921714-00

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AC

Part Number:

4912495-02

Cage Code:

RNCC:

1

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AF

Part Number:

4286A2-152

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

3150-50-3

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

4286A2-152

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

7921714-00

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AC

Part Number:

4912495-02

Cage Code:

RNCC:

1

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

C

RNVC:

1

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

AF

Part Number:

4286A2-152

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

3150-50-3

Cage Code:

RNCC:

3

RNVC:

2

RNAAC:

HD

Status:

A

MSDS:

SADC:

Part Number:

4286A2-487

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

ZZ

Status:

A

MSDS:

SADC:

Part Number:

4286A2-152

Cage Code:

RNCC:

5

RNVC:

9

RNAAC:

HD

Status:

A

MSDS:

SADC:

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Pricing & Availability

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Thermostatic Switches
------------ P/N B278

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Last Updated: 01/31/2025