PHC-11TF-34 PHC-22TF-3434

Specifications

Input in safe area

Input signal

Contact-controlled DC voltage

Controlled power supply

20~35VDC

Power consumption

About 1.8W/channel

Output in hazardous area

Output signal

Switch output driving 12V (45mA)

Open-circuit output voltage

22V~24V

Alarm Relay Function

Set the dip switch K1 (K2) to the "ON" side, and select the alarm function for the channel - (channel 2) circuit
Short-circuit alarm (SC) when load resistance <50Ω
Open-circuit alarm (LB) when load resistance >10kΩ

Alarm Relay Characteristics

Response time

≤20ms

Driving capacity

250V AC/2A, 30V DC/2A

Load type

Resistive load

Basic Parameters

LED indicators

CH (channel indicator), ALARM (alarm indicator)

Temperature parameters

Working temperature -20℃~+60℃, storage temperature -40℃~+80℃

Relative humidity

10%~95% RH no condensation

Insulation strength

Between intrinsically safe side and non-intrinsically safe side (≥3000V AC/min)

Insulation resistance

≥100MΩ (between input/output/power supply)

EMC

According to IEC 61326-1 (GB/T 18268), IEC 61326-3-1

Wiring requirements

Cross-section ≥0.5mm²; insulation strength ≥500V

Applicable field equipments

Audible/visual alarms, intrinsically safe solenoid valves

Installation place

Installed in a safe zone, it can be connected to intrinsic safety instruments in hazardous areas up to Zone 0, IIC, Zone 20, and IIIC

Safety Certifications

Explosion-proof marking:

[Ex ia Ga] IIC [Ex ia Da] IIIC

Explosion-proof standards:

GB/T 3836.1-2021, GB/T 3836.4-2021

Terminals 2-3, 5-6

250V AC/DC，Uo=25.2V DC，Io=85mA，
Po=0.535W， Co=0.107μF，  Lo=5mH

Certification body

CQST(China National Quality Supervision and Test Centre for Explosion Protected Electrical Products)