描述：BVa 15.21, adding, fixed preset BVa 15: 5-digit adding preset counter with fixed preset Preset permanently visible, adjustable during counting Manual zeroing Volt-free changeover switch (microswitch) when preset is reached Contact remains switched until zeroing takes place Housing with moulded front frame (53 mm2) and tensioning clamp Panel cut-out: 50 mm2 Application: batch counting, factory automation Type of current | AC | DC ---|---|--- Max. Pulse frequency | 18/s | 25/s Min. pulse time | 27.7 ms | 24 ms Min. pulse pause | 27.7 ms | 16ms Pulse ratio | 1:1 | 3:2 Power-on time | 100% | 100% Power consumption | 3.0 VA | 3 W Permitted Ripple max. | - | 48% Ambient temperature: | -10 °C → +55 °C | -10 °C → +60 °C Electrical connection: | Silver-plated round pins Ø1.6 mm ---|--- | with receptacle (counter) | silver-plated flat tongues 0.8 x 2.8 mm (version) Numbers: | approx. 4.5 mm high - white, base black (counter) | approx. 4 mm high - yellow, base black (prefix) Installation location: | Any Test voltage: | 2000 V ac effective, in accordance with VDE 0435 Switch contact: | 1 change-over switch (microswitch) | Trigger in the 2nd half-step in the pre-selection loadable in AC: | max. 250 V, max. 5 A loadable in DC: | resistive load: | 24 V max. 2A | 60 V max. 0.7A | 115 V max. 0.4 A | 230 V max. 0.2 A With an inductive load, corresponding spark quenching must be provided, and the max. current value must be reduced to 60%. | Minimum pulse duration: | 0.25 s (there must be no metering pulse during this time +50 ms) ON duration: | 15% max. 50 seconds Weight: | approx. 130 g W x H x D: | 53 x 53 x 62.5 ### Kubler 脉冲计数器
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