Elapsed time counters

Order numbers

BW 70.29

311 270

AC without
terminal cover

BG 70.29

312 270

DC without
terminal cover

BW 70.89

311 280

AC with
terminal cover

BG 70.89

312 280

DC with
terminal cover

Accessories

Terminal cover for Bx 70.29

müller Bx 70.x9 - paladin 31x 2x0

create
data sheet

Overview

For DIN-rail mounting
Flush mount dimensions 45 x 35 mm
With (Typ Bx 70.89) / without (Typ Bx 70.29) terminal cover
Screw terminals (pull-up type)
Touch proof connections
With operation indicator (flashing LED)
One version for 50 Hz and 60 Hz

Intended use

The device fits for the particular use of the following tasks: summed measuring of operating hours in control cabinets and plants, operating hours of pumps and machines.

Supply voltage versions

see technical data

Order information

	Voltage	EAN	Art. No.
BW 70.29	230 V 50-60 Hz	4022709209023	20902
BW 70.29	24 V 50-60 Hz	4022709209276	20927
BG 70.29	12-48 V DC	4022709201423	20142
BW 70.89	230 V 50-60 Hz	4022709209443	20944
BG 70.89	12-48 V DC	4022709201621	20162
311 270	230 V 50-60 Hz	4022709209054	20905
312 270	12-48 V DC	4022709201454	20145
311 280	230 V 50-60 Hz	4022709000682	00068
312 280	12-48 V DC	4022709000637	00063
Other supply voltage versions on request

Technical data BW 70.x9 / 311 2x0 alternating current

Voltage tolerance	±15%
Power consumption (real power)	0,26 W
Counter capacity	99.999 h.
Accuracy of reading	0,1 h.
Numeral height	4,4 mm
Numeral colour	white, decimal figures red
Operation indicator	flashing LED
Permitted ambient temperature	–15°…+50°C
Housing	self-extinguishing thermoplastic
Mounting	35 mm DIN-rail
Type of connection	Screw terminals
Type of protection (DIN EN 60529)	IP 50 to DIN EN 60529
Class of protection	II when fitting in accordance with regulations

Technical data BG 70.x9 / 312 2x0 direct current

Supply voltages (please state when ordering)	12-48 V DC
Special voltages	36-120 V 100-300 V DC
Voltage tolerance	±10%
Power consumption (real power)	approx. 20 mW at 12 V DC
Counter capacity	99.999 h.
Accuracy of reading	0,1 h.
Numeral height	4,4 mm
Numeral colour	white, decimal figures red
Operation indicator	flashing LED
Permitted ambient temperature	–10°…+50°C
Housing	self-extinguishing thermoplastic
Mounting	35 mm DIN-rail
Type of connection	Screw terminals
Type of protection (DIN EN 60529)	IP 50 to DIN EN 60529
Class of protection	III (up to 48 V DC)

Your direct contact to us

Hugo Müller GmbH & Co KG

Tel.: +49 (0) 7720 80 836

Mail: info@hugo-mueller.de