Part Number: BFH Series

Multi-Pole Instrumentation Reed Relays - 2 Form A, 3 Form A, 1 Form C, and 2 Form C

Product Data Sheet

PICTURE

FEATURES

DIMENSIONS

• Multi-pole designs 2 Form A, 3 Form A, 1 Form C (1A/1B), and 2 Form C

• High Reliability Instrumentation Grade

reed switch with

sputtered Ruthenium Form A contacts

• Optional Electrostatic or Coaxial Shield (BFH-2A & BFH-1C Only)

• High Insulation Resistance: 1012 Ω MIN (Form 2A, 3A & 1C) & 109 Ω (Form 2C)

• Metal Cover (reduces magnetic interaction)

• Industry Standard Packages

• Custom Designs Available

Drawings not to scale.

All dimensions in inches (mm) nominal.

0.810 (20.57)

0.500 (12.70)

0.700 (17.78)

1

2

3 4

BOTTOM VIEW

8

7

6 5

0.138

(3.50)

Ø 0.018

(Ø 0.45)

0.210

(5.33)

0.370

(9.40)

0.020

(0.50)

0.10

(2.54)

1

2

3

4

1

2

3

4

1 -

+ 3

4

1

2

3

4

8

7

6

5

8

7

6

5

8

7

6

5

8

5

CIRCUIT DIAGRAM (Top View)

ORDERING INFORMATION

BFH-2A

BFH-3A

BFH-1C

BFH-2C

Phone: (1) 973 777 6900

www.comus-intl.com

Fax: (1) 973 777 8405

As part of the company policy of continued product improvement, specifications may change without notice. Our sales office will be pleased to help you with the latest information on this product range and

the details of our full design and manufacturing service. All products are supplied to our standard conditions of sale unless otherwise agreed in writing.

BFH

05

12

2A

3A

1C*

2C

E = Electrostatic Shield (BFH-2A & BFH-1C Only)

C = Coaxial Shield (BFH-2A & BFH-1C Only)

Part Number Example: BFH-XX-XXX

BFH-2A-12E = 2 form A, 12 Volt Coil with Electrostatic Shield

NOTE: Model BFH-2A & BFH-1C, pin #6 is tied to optional electrostatic shield, pins #6 & #7 are tied to optional coaxial shield.

*1C is polarity sensitive, positive (+) voltage must be applied to coil pin #3. Break-Before-Make is not guaranteed.

Series

Form

Coil

Options

Relays

An ISO 9001 Certified Company

Belgium: + 32 (0)12 390400 - Comus Europe Ltd (Assemtech) UK: +44 (0) 1255 862236 - Germany: +49 (0)911 923 15 943 - Netherlands: +31(0)45 54 39 345 - India: +(91) (44) 42023510

©2017 Copyright Comus International, 454 Allwood Road, Clifton NJ 07012, USA

Rev: 2 - Date: Oct/2/2017 - Signature: BR

NEW!

NEW!

1 Form C

(1A/1B) 10Watt!