857-642 - Timer relay module; Nominal input voltage: 24 VDC; Limiting continuous current: 6 A; Railway; Multifunction/Multitime; Yellow status indicator; Module width: 6 mm
- Brand: Wago
- Product Code: 857-642
- Available Quantity: 0
$215.30
Technical data
Control circuit
Nominal input voltage UN | DC 24 V |
Input voltage range | ±30 % |
Nominal input current at UN | 18 mA |
Time range | Adjustable: 0.01 … 0.1 s; 0.1 … 1 s; 1 … 10 s; 10 … 100 s; 1 … 10 min; 10 … 100 min; 1 … 10 h; 10 … 100 h |
Reset time | 50 |
Minimum pulse length (control input) | 10 |
Functions | On- and off-delay (with control input) On-delay and single-shot leading edge On-delay and single-shot leading edge (with control input) Single-shot leading and trailing edge (with control input) Pulse sequence evaluation (with control input) Repeat cycle timer (pulse start) Repeat cycle timer (interval start), control input |
Load circuit
Number of changeover contacts | 1 |
Contact material (relay) | AgSnO2 |
Limiting continuous current | 6 A |
Inrush current (resistive) max. | (AC) 20 A / 0.02 s |
Switching voltage (max.) | AC 250 V |
Switching power (resistive) max. | AC 1500 VA; DC (see load limit curve) |
Switching capacity | AC-15: 3 A / AC 250 V; DC-13: 2 A / DC 24 V |
Recommended minimum load | 10 V / 10 mA; 24 V / 1 mA |
Pull-in time (typ.) | 15 |
Drop-out time (typ.) | 25 |
Bounce time (typ.) | 3.5 |
Electrical life (NO; resistive load; 23 °C) | 50 x 103 switching operations |
Mechanical life | 5 x 106 switching operations |
Digital output (DO) | UN - 1 V ; 100 mA |
Signaling
Status indicator | Yellow LED |
Safety and protection
Rated voltage | 250 |
Rated surge voltage | 4 |
Pollution degree | 2 |
Dielectric strength (control/load circuit) (AC, 1 min) | 4 kVrms |
Dielectric strength (open contact) (AC, 1 min) | 1 kVrms |
Protection type | IP20 |
Connection data
Connection technology | Push-in CAGE CLAMP® |
Solid conductor | 0.34 … 2.5 mm² / 22 … 14 AWG |
Fine-stranded conductor | 0.34 … 2.5 mm² / 22 … 14 AWG |
Strip length | 9 … 10 mm / 0.35 … 0.39 inch |
Physical data
Width | 6 mm / 0.236 inch |
Height | 94 mm / 3.701 inch |
Depth from upper-edge of DIN-rail | 97.8 mm / 3.85 inch |
Mechanical data
Mounting type | DIN-35 rail |
Material data
Weight | 52 |
Environmental requirements
Ambient temperature (operation at UN) | -25 … 70 °C |
Surrounding air temperature (storage) | -40 … +70 °C |
Processing temperature | -25 … +50 °C |
Relative humidity | 5 … 95 % (no condensation permissible) |
Operating altitude (max.) | 2000 |
Standards and specifications
Standards/specifications | EN 61812-1 EN 61373 EN 50121-3-2 UL 508 |