Feature:
1, MOC3043 Phototriac and BTA12-600B triac (the heatsink is electrically insulated). 
2, Input Action Voltage DC 3 to 32V. LED indication for each channel. Anti-reverse protection diode.
3, Output Load Voltage range AC 100 to 240V (50/60Hz). Maximum on-state average current: 8 Amp, maximum on-state current 12 Amp (< 10 seconds). Isolation: Phototriac. Zero cross: Yes.
4, Terminal Block: Wire range: 24 ~ 12 AWG / 2.5mm square. Strip length: 7mm. Screws - M2.5, steel, Cr3+ Zn plated. Pin header and Cage - Brass.
5, DIN rail mount, Taiwan DINKLE fireproof nylon material DIN rail mount carrier (not China low quality carrier), can support width 35mm / 32mm / 15mm rail. FR-4 fiber glass PCB, dual copper layers.

Characteristic Parameters: 
Input Signal Control Terminal:
Action Voltage: 3 ~ 32 VDC.
Current: 6mA at 5VDC, 8mA at 12VDC, 11mA at 24VDC, 13mA at 32VDC.
Turn off voltage: 0 ~ 0.8 VDC.
In-Out isolation surge voltage: 7500V.

Output Terminal:
Load voltage range: 100 to 240 VAC (50/60Hz).
Max. on-state average current: 8 Amp.
Max. on-state current: 12 Amp (< 10 seconds).
Non repetitive surge peak on-state current: 120 Amp (<20mS).
Max. on-state voltage drop: 1.5V.
Max. off-state current: < 2mA / at 220VAC.
Off-state max. allow voltage: 400V.
Isolation: Phototriac.
Zero cross: Yes.
Load type: General purpose.

Terminal block specifications:
Wire range: 24 ~ 12 AWG / 2.5mm square.
Strip length: 7mm.
Screws - M2.5, steel, Cr3+ Zn plated.
Pin header and Cage - Brass.

Datasheet: https://www.czh-labs.com/tmp/madeimg/datasheet/d-1303.pdf