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Data sheet | Item number:788-721
Solid-state relay module; Nominal input voltage: 24 V AC/DC; Output voltage
range: 24 … 230 VAC; Limiting continuous current: 4 A; 2-wire connection;
zero-cross switching; Red status indicator; Module width: 15 mm
Current-carrying capacity curve
Color:
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Data sheet | Item number:788-721
Item description
Note:
A separator plate (e.g., 209-191) must be used for voltages greater than 250 V between adjacent relay modules and for compliance with the
reinforced insulation requirements.
Data
Technical Data
Control circuit
Nominal input voltage U
N
AC/DC24V
Input voltage range (low level) AC/DC0 … 2.5V
Input voltage range (high level) AC/DC15 … 30V
Nominal input current at U
N
10mA
Load circuit:
Circuit type 2-conductor termination
Zero-voltage switching
Limiting continuous current 4A
Output voltage range AC 12 … 275V(50/60 Hz)
Max. voltage drop at output ≤AC1.1V
Min. switching current 0µA
Turn-on time ≤10ms
Drop-out time ≤10ms
Signaling
Status indication LED red
Safety and protection:
Pollution degree 2
Dielectric strength, control/load circuit (AC, 1 min) 4kVrms
Protection class IP20
Connection data
Connection technology
Push-in CAGE CLAMP
®
Solid conductor 0.34 … 2.5mm²/ 22 … 14AWG
Fine-stranded conductor 0.34 … 2.5mm²/ 22 … 14AWG
Strip length 9 … 10mm/ 0.35 … 0.39inch
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Data sheet | Item number:788-721
Geometrical Data
Width 15mm/ 0.591inch
Height from upper-edge of DIN-35 rail 64mm/ 2.52inch
Depth 86mm/ 3.386inch
Mechanical data
Type of mounting DIN-35 rail
Material Data
Color gray
Fire load 0 MJ
Weight 49.387 g
Environmental Requirements
Pollution degree 2
Surrounding air (operating) temperature at U
N
-20 … 70°C
Surrounding air (storage) temperature -40 … 70°C
Processing temperature -25 … +50°C
Surrounding air (operating) temperature for UL -20 … 40 °C
Standards and specifications
Standards/specifications EN 61000-6-2; EN 61000-6-3; EN 61373; EN 61010-2-201; UL 508
(max. 40 °C/2.5 A)
Commercial data
Product Group 6 (Interface Electronics)
Country of origin DE
GTIN 4045454945961
Customs Tariff No. 85365005000
Approvals / Certificates
UL-Approvals
Logo Approval Additional Approval Text
Certificate
name
UL
UL International Netherlands B.V. (ORDINARY
LOCATIONS)
UL 508 E175199
Sec.6
788-721
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