2961367

REL-MR-...21

101810_01_en PHOENIX CONTACT 4

Diagrams

Permissible Operating Voltage Range

A Maximum permissible continuous voltage U

max

with

limiting continuous current on the contact side

B Minimum permissible relay operate voltage U

op

following pre-excitation

Service Life Reduction Factor

(with varying cos ϕ)

Electrical Service Life

A 250 V AC, ohmic load

B 250 V AC, cos ϕ = 0.4

C 24 V DC, ohmic load

Shutdown Power

A AC, ohmic load

B DC, ohmic load

© PHOENIX CONTACT 10/2005

2.5

2

1.5

1

3

0.5

0 10 20 30 40 50 60 70 80 90 100

101810A001

A

B

Ambient operating temperature [°C]

Coil voltage U/U

N

101810A004

1.0

0.9

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

0.8 0.7 0.6 0.5 0.4

0.3

0.2

cos ϕ

Reduction factor

101810A002

12

3

4

5

6

10

4

10

5

10

6

10

7

A

B

C

Switching current [A]

Cycles

101810A003

1

0.1

10

10

1

10

2

10

3

A

B

Switching voltage [V]

Switching current [A]

2961367

Mfr. #:

Manufacturer:

Phoenix Contact

Description:

General Purpose Relays REL-MR-4.5DC/21

Lifecycle:

New from this manufacturer.

Delivery:

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Payment:

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