Timers Interval Types B 101, B 201, B 108, B 208 • Time ranges: 0.15 s to 600 s • Automatic start • Knob-adjustable time within range • Oscillator-controlled time circuit • Repeatability deviation: ≤ 1% • Output: 10 A SPDT or 8 A DPDT relay • Plug-in type module • Scantimer housing • LED-indication for relay on • AC or DC power supply Product Description Ordering Key Mono-function, plug-in miniature interval time relays up to 600 s (10 min) covering 3 individual time ranges. This economical timer is often Function Output Type Power supply Time range used in applications such as lubricating pumps, drying elements, etc. where an operation is wanted to last for a longer period of time. B 108 024 600 Type Selection Plug Output Time ranges Supply: 24 VAC/DC Supply: 120 VAC Supply: 220 VAC Circular 8 pin SPDT 0.15 - 6 s 1.5 - 60 s 15 - 600 s B 108 024 006 B 108 024 060 B 108 024 600 B 108 120 006 B 108 120 060 B 108 120 600 B 108 220 006 B 108 220 060 B 108 220 600 0.15 - 6 s 1.5 - 60 s 15 - 600 s B 101 024 006 B 101 024 060 B 101 024 600 B 101 120 006 B 101 120 060 B 101 120 600 B 101 220 006 B 101 220 060 B 101 220 600 0.15 - 6 s 1.5 - 60 s 15 - 600 s B 208 024 006 B 208 024 060 B 208 024 600 B 208 120 006 B 208 120 060 B 208 120 600 B 208 220 006 B 208 220 060 B 208 220 600 0.15 - 6 s 1.5 - 60 s 15 - 600 s B 201 024 006 B 201 024 060 B 201 024 600 B 201 120 006 B 201 120 060 B 201 120 600 B 201 220 006 B 201 220 060 B 201 220 600 Circular 11 pin Circular 8 pin DPDT Circular 11 pin Time Specifications Time ranges Time range accuracy 0.15- 6 s 1.5 - 60 s 15 - 600 s 0 to +10% on max. min. actual time ≤ min. set time Specifications are subject to change without notice (25.10.99) Repeatability deviation Time variation Within rated power supply and ambient temperature Reset Time and/or relay ≤ 1% ≤ 0.05%/V ≤ 0.2%/°C Power supply interruption ≥250 ms 1 B 108, B 208, B 101, B 201 Output Specifications Output Basic electrical insulation Contact ratings (AgCdO) Resistive loads AC 1 DC 1 or Small inductive loads AC 15 DC 13 Mechanical life Electrical life AC 1 Operating frequency Insulation voltages Rated insulation voltage Rated transient protection volt. B 108, B 101 B 208, B 201 SPDT relay 250 VAC (rms) (contact/electronics) µ (micro gap) 10 A/250 VAC (2500 VA) 1 A/250 VDC (250 W) 10 A/25 VDC (250 W) 2.5 A/230 VAC 5 A/24 VDC ≥ 30 x 106 operations ≥ 2.5 x 105 operations (at max. load) ≤ 7200 operations/h DPDT relay 250 VAC (rms) (contacts/elec., contact/contact) µ (micro gap) 8 A/250 VAC (2000 VA) 0.4 A/250 VDC (100 W) 4 A/25 VDC (100 W) 2.5 A/230 VAC 5 A/24 VDC ≥ 30 x 106 operations ≥ 2.5 x 105 operations (at max. load) ≤ 7200 operations/h ≥ 2.0 kVAC (rms) (contact/electronics) 4 kV (1.2/50 µs) (contact/electronics) (IEC 60664) ≥ 2.0 kVAC (rms) (contact/electronics) 4 kV (1.2/50 µs) (contact/electronics) (IEC 60664) Supply Specifications General Specifications Power supply AC types Rated operational voltage through pins 2 & 10 220 or pins 2 & 7 120 Power ON delay Power OFF delay Indication for Output ON Environment Pollution degree Operating temperature Storage temperature Weight Approvals Installation cat. III 220 VAC + 15/- 20%, 45 to 65 Hz 120 VAC + 15/- 20%, 45 to 65 Hz 24 VAC + 15/- 20%, 45 to 65 Hz ≥ 10 ms None 4 kV (1.2/50 µs) @ 220 VAC 2.5 kV (1.2/50 µs) @ 120 VAC 800 V (1.2/50 µs) @ 24 VAC (line/neutral) Installation cat. III 24 VDC + 15/- 20% (pin 2 pos.) None 800 V (1.2/50 µs) 60 mA @ 50 Hz/70 mA @ 60 Hz 1W 024 Drop-out tolerance Rated insulation voltage Rated transient protection volt. Power supply DC type Rated operational voltage 024 Rated insulation voltage Rated transient protection volt. Consumption AC supply DC supply Mode of Operation The relay operates and the time period starts when power supply is applied to the time relay. At the end of the set delay, the relay releases and will not operate again until power supply is reapplied. LED. red IP 20 B 2 (IEC 60664) -20° to +50°C (-4° to +122°F) -50° to +85°C (-58° to +185°F) 85 g UL, CSA Wiring Diagrams A recovery period of 250 ms should be allowed before reapplying power supply. If power supply is interrupted for more than 250 ms before the time period has expired, the relay releases and the time is reset to zero. Power supply B 108, B 208 2 ≤ 200 ms ≥ 250 ms Power supply B 101, B 201 Specifications are subject to change without notice (25.10.99) B 108, B 208, B 101, B 201 Time Setting Accessories Knob-adjustable on scale in seconds. Sockets◊ Hold down spring◊ Mounting rack Socket cover Potentiometer lock S 408, S 411 HF SM 13 BB 4 PL 1 For further information refer to "Accessories". Operation Diagram Power supply Relay on Specifications are subject to change without notice (25.10.99) 3