Safety Modules ND12D

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Safety Modules ND12D

Product catalog summary

Power Supply Specifications:

ND12D: 24 VAC –15/+10% 50-60 Hz, 24 VDC –15/+10%
ND12D110CG: 110 VAC –15/+10% 50-60 Hz
ND12D230CG: 230 VAC –15/+10% 50-60 Hz
Power consumption: 4 VA / 4 W

Output Specifications:

Safety outputs: 2 Normally Open (NO)
Auxiliary outputs: 1 Normally Closed (NC) Relay, 1 PNP
Contact ratings for safety output: 8 A @ 230 VAC (resistive), 3 A @ 230 VAC (inductive), 4 A @ 24 VDC
Contact ratings for auxiliary output: 5 A @ 230 VAC (resistive), 1.5 A @ 230 VAC (inductive)
Contact fuse protection: 6 A fast or 4 A delayed

Insulation and Voltage Specifications:

Insulation voltage: Pollution degree 2, Overvoltage Category 3/250 V
Voltage withstand: 4 kV 1.2/50µs between various components

Type Selection and Safety Standards:

Two hand safety modules ND12D
Safety Category III C according to EN 574, Category 4 according to EN 954-1
Features: Dual channel input, Automatic RESET, Self-monitoring, Failure diagnosis by LEDs
Approvals: TÜV NORD, UL

Time and Environmental Specifications:

Delay on energisation: < 150 ms
Delay on de-energisation: < 30 ms
Recovery time: ≥ 30 ms
Channel simultaneity: < 500 ms
Operating temperature: -25°C to +55°C
Storage temperature: -25°C to +65°C

Mechanical Specifications:

Protection degree: Terminals IP 20, Housing IP 40
Housing material: Polyamide PA6.6
Mounting: DIN rail
Dimensions: 22.5 x 99 x 114 mm
Weight: ND12D 170 g, ND12D110CG/ND12D230CG 240 g

Connection and Wiring:

Terminal functions include power supply, input buttons, feedback control loop, and safety outputs

Catalog excerpts

Terminal FunctionConnection A1+24 VDC or ACsupply A2GND or ACsupply S11-S12-S22First input button (S1) S21-S12-S22Second input botton (S2) Y1-Y2Feedback control loop34PNP aux output (collector of a PNP transistor with emitter connected internally to Vcc) 13-14First safety output (NO) 23-24Second safety output (NO)31-32Relay auxiliary output (NC) > Specifications are subjected to change without notice (23.04.07) size="-1">

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