Main specifications

Rated input voltage DC, V

 24 (10 to 36)*

Power consumption, W

3.0

Integrated protection

– reverse polarity connection;– overvoltage, overload and SC;

– galvanic isolation of supply mains

Number of connected SB (simultaneous), pcs.

2

Number of ports, pcs.**

2×RS-422               (analog and digital)

Digital interface specifications

Purpose

data exchange with CH-105, PCH-205, BMU‑126

Max. baudrate, bit/s

115200

Galvanic isolation

+

Communication protocol

proprietary

Connected units

CH-105, PCH-205, BMU-126

Analog interface specifications

Purpose

measurement of SB voltage and current passing through SB-138

Galvanic isolation of channels

+

Measurement range U_shunt, mV

80

Measurement range U_bat, V

0 to 36

Current measurement accuracy, А

0.01

Voltage measurement accuracy, V

0.01

Input impedance, MΩ

0.8

Permissible shunt resistance, μм

1 to 9990

Connected units

SB-138 and other shunt-based devices

General specifications

Overall dimensions, mm

211×117×55

Overall dimensions incl. bracket, mm

255.0×143.5×65.0

Protection degree

IP22

Limiting temperature, °С

–60 to +70

Operating temperature, °С

–15 to +55

Mounting

panel;

desk-top on a bracket

Weight, kg

panel

1.46

desk-top on a bracket

1.57