Model Number

Swing Radius

Dimensions - Expressed in Inches (mm)

A

B

C

D

MR410, MR410H-1, M411, M420, M420H, M451

3.1

3.9

2

2.5

0.9

(79)

(100)

(51)

(54)

(24)

MR510, MR510H-1, M511, M520, M520H, M551

4.3

5.3

3.25

3.4

1.2

(109)

⁽135)

(83)

(86)

(30)

MR610, MR610H-1, M620, M620H, M651

5.7

7.1

3.9

4

1.5

(145)

(180)

(99)

(102)