240 Series DIN Panel Meters

9

DIN 16257 symbol meaning for

calibration position

Vertical

Horizontal

Inclined

60°

Inclination of dial surface to the

horizontal e.g 60°.

Required orientation must always be

stated when ordering if other than

vertical mounting is required.

Specification Continued

Case

Dimensions and panel cutout conform to IEC473, DIN

43700. Models 242, 243 and 244 have cases and bezels

injection moulded in flame retardant engineering

thermoplastic, recognised by Underwriters Laboratory

materials specification. All 246 models have pressed

steel cases.

Bezel

Slim-line DIN43802 black as standard

Bezel Window

Standard sheet glass, with zero adjusters where

appropriate. Non reflecting glass or polycarbonate

shatterproof windows are available.

Installation

Installations in switchboard panel or mosaic

arrangement on equipment or machine with a panel

thickness of up to 40mm in a horizontal or vertical

plane. Installation Category III

Fixing on Panel

Models 242, 243 and 244 – 2 corner fixing clamps and

tensioning thumb screws

Model 242 – available with a one piece ‘push on’ clamp.

Model 246 - 2 side fixing spring clips

Mounting Position

Normal vertical mounting or as indicated on the scale

in accordance with DIN 16257. A deviation of ±15° is

permissible

Approvals

Lloyds Shipping (LRS), Bureau Veritas (BV), EMC and LVD

Dimensions

Model

242

243

244

246

Bezel ‘A’

48 x 48

72 x 72

96 x 96

144 x 144

Panel cut-out ‘B’

45 x 45

68 x 68

92 x 92

138 x 138

Scale Length: 90°

42

65

94

145

Scale Length: 240°

72

112

150

230

Maximum overall depth ‘C’:

Ammeters and Voltmeters A.C. & D.C.*

64

64

64

60

Ammeters and Voltmeters with switch*

––

64

–

Dual Meters*

–

–

64

–

Elapsed Time Meter/Hours Run*

64

64

64

–

Maximum Demand Indicator*

–

64

64

60

Combined MDI & MI Indicator*

–

–

64

60

Maximum Demand Indicator with relay*

––

90

–

Frequency Meter 90°*

64

64

64

60

Frequency Meter 240°*

§

§

120

125

Phase Angle, Power Factor Meter 90°*

§

§

107

§

240°*

§

§

107

§

M.C. Indicator with separate transducer*

64

64

64

60

Dynamometer 360° Synchroscope*

–

–

120

125

Dynamometer 360° Power Factor Meter*

–

–

120

–

Phase Sequence Indicator*

–

64

64

–

Position Indicator*

§

§

120

125

Speed Indicator*

64

64

64

60

Temperature Indicators*

–

–

120

125

Quadra Meters*

–

–

64

–

Impulse Counters*

64

64

64

–

Wattmeter, Varmeter 90°

§

§

107

125

Wattmeter, Varmeter 240°

§

§

107

125

Model 244-21Y & 244-21Z

–

–

142

–

LED Synchroscope & Synchro Check Relay

––

80

–

LED 360° Synchroscope

–

–

80

–

§

Indicator Only

*

If separate terminal cover is used add 20 mm to dimension C

–

Not available

Panel cut-out

Maximum Panel

thickness 10mm

B

B

A

A

C