AMS B1x-SAx for active energy measurement, with mechanical register

Single-phase static meters AMS B1x-SAx are designed for direct and indirect measurement of active electrical energy with a mechanical stepper register. Test pulses indicated by red LED. Unidirectional wheel function ensures positive measurement even with reversed energy flow.

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Features

Can also be DIN-rail mounted (mounting clips must be ordered separately)
Removable and adjustable top hanger included in the package
Passive SO transmitting pulse output for remote transmission
Indication of mains voltage presence and reverse energy flow
Resistance to external influences
Complies with IEC/EN 62052-11, IEC/EN 62053-21; EN 50470-1, EN 50470-3 and the requirements of Directive 2014/32/EU (MID) of the European Parliament and of the Council
Delivered initially verified for billing measurement.

Technical data

Accuracy class	A or B (per MID), 2 or 1 (per EN 62053-21)
Reference voltage [V]	120, 220, 230, 240 (-30,+15%)
Nominal frequency [Hz]	50 or 60
Reference current Iref [A] direct connection	5 and 10
Nominal current In [A] indirect connection	5
Transitional current Itr [A] direct/indirect connection	0,5 and 1 / 0,25
Starting current Ist [A] direct/indirect connection	≤ 0,02 and 0,04 / 0,01
Minimum current Imin [A] direct/indirect conn.	0,25 and 0,5 / 0,05
Maximum current Imax [A] direct/indirect conn.	40, 60, 80, 100 / 6; 7,5; 10
Power consumption - voltage circuit [VA/W]	≤ 7,5/0,4
Power consumption - current circuit(s) [VA]	≤ 0,1
Pulse constant for test output kTO [imp/kWh]	1 - 10 000, typically 6 400
Pulse constant for pulse output kSO [imp/kWh]	1 - 10 000, typically 6 400
Transistor output SO	24 V / 30 mA
Operating temperature	- 40 °C to + 70 °C
Mean temperature coefficient [%/K]	≤ 0,04
Terminals current ; voltage ; auxiliary [mm]	ø 8 ; ø 3 ; ø 3
Protection degree	IP54
Mounting hole spacing - w x h [mm]	104 - 112 x 115 - 155
Dimensions - w x h/h´ x d [mm]	130 x 129/190 x 60
Weight [kg]	≤ 0,6