Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

System 50

RACKS

24 Channel

FEATURES

• For use with System 50 Style Controllers

• Available for Miniature, G5 and

• UL, CSA Certified

24 CHANNEL RACK: Miniature

Part No. 70MRCQ24

Dimensions are shown in inches

(and millimeters).

Tolerances are ± 0.010 (0,25)

unless otherwise specified.

System 50

22

+

–

0.40

(10,2)

8.00 (203,2)

7.50 (190,5)

LOGIC SUPPLY

TERMINAL STRIP

0.25 (6,4)

0.25 (6,4)

FIELD WIRING

TERMINAL STRIP

(POSITIONS 0-11)

6.00

(152,4)

5.50

(139,7)

STANDOFF I.D.

0.15 (3,8) DIA.

(4 PLACES)

CLEARANCE

FOR #6 SCREWS

FIELD WIRING

TERMINAL STRIPS

(POSITIONS 12-23)

5A

FUSE

MODULE HOLD DOWN

STRIP WITH THUMB SCREWS

2.20 (55,9)

MAX.

0.75

(19,1)

STATUS LED

50 PIN EDGE CARD OR

HEADER CONNECTOR FOR

LOGIC SIGNALS (SEE SCHEMATIC)

PIN 1

KEY SLOT

PINS 23/25

2.60

(66,0)

1A FUSE

SOCKETS

FOR

OPTIONAL

1A FUSE

1.70

(43,2)

NOTE: MAXIMUM

TERMINAL SCREW

TORQUE NOT TO

EXCEED 5 IN-LBS.