Technical Data · Publication 1606-TD002 · Rockwell Automation

Bulletin 1606 Switched Mode Power Supply Technical Data

Complete specifications, catalog-number breakdown, ratings, and standards compliance for the Allen-Bradley Bulletin 1606 DIN-rail switched-mode power supply family — XLS Performance, XLE Essential, XLD DC-DC, XLP Compact, and XLB Basic — plus redundancy modules, buffer modules, and DC-UPS accessories.

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1606-TD002H-EN-P Publication
1606 Bulletin
15 W Power Range
5, 12, Output Voltages

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Specifications

Output (DC)

Nominal output voltages 5 V, 12 V, ±12 V, 24 V, 28 V, 30 V, 36 V, 48 V DC (per family)
Output current range 0.63 A (XLP 15 W / 24 V) up to 40 A (XLS 960 W / 24 V)
Output power range 15 W (XLP) up to 960 W (XLS / XLE), spanning Basic → Performance families
Adjustment range (24 V models) 24 – 28 V typical (e.g. XLS240E: 24 – 28 V)
Power reserves (XLS) 50% continuous reserve on XLS family
Power boost 150% for 5 s (XLS); 120% continuous (XLE, XLD)
Ripple and noise, max 50 mV pp (XLS ≤ 240 W), 100 mV pp (XLS 480 W), 150 mV pp (XLS 960 W / 48 V)
Parallel / redundancy operation Selectable single or parallel mode; N+1 or 1+1 via 1606-XLSRED / XLERED / XLBRED / XLPRED diode or MOSFET modules
DC-OK signal Relay contact output and front-panel LED status indicator on every family

Input (AC / DC)

AC input voltage, wide-range 100 – 240 V AC auto-select (XLS, XLE, XLP, XLB); 200 – 240 V AC on select 960 W units
AC input, three-phase 3 AC 380 – 480 V (XLS, XLE, XLP three-phase variants); input code 3 = 400 V, 3N = 480 V, D = 360 – 900 V DC only
DC input voltage DC 110 – 150 V or DC 110 – 300 V on most AC/DC units; XLD converters accept DC 24 V or DC 48 V; XLS480E-D accepts DC 600 V (intermediate DC-bus)
Input frequency 47 – 63 Hz (standard mains)
Power factor correction (PFC) Active PFC, typ. 0.90 – 0.99 on XLS; passive on some XLE / XLP variants (typ. 0.47 – 0.92)
Inrush current limiting Active limiter on all XLS units; typical 4 A / 7 A at 115 / 230 V AC (XLS180B, XLS240E, XLS240F)
External input fuse, min Characteristic B-6 A or C-4 A up to B-16 A / C-16 A on 960 W units
Efficiency, typical 90 – 95% across the family (e.g. 94.6% XLS960E, 95.0% XLS480F / XLS960F)

Protection & Reliability

Output overload Enhanced overload design — continuous current delivery, no hiccup mode (per Product Overview)
Short-circuit protection Electronic, continuous; selectable single or parallel mode
Over-voltage protection (OVP) Built-in on output stage; auto-recovery
Over-temperature protection Thermal shutdown with auto-recovery
MTBF 300 kh – 1,451 kh per SN29500 at +40 °C (e.g. XLS180B: 631 kh, XLS80E: 1,451 kh)
Lifetime, min at +40 °C 59 kh – 94 kh typical (SN29500)
Remote shutdown Available on XLE variants with -EM / -BM suffix

Environmental & Physical

Operating temperature -25 to +70 °C (-13 to +158 °F) across the XLS family
Derating above 60 °C 2 W/°C (XLS80E, XLS120E), 3 W/°C (XLS180B / XLS120E), 5 – 6 W/°C (XLS240E, XLS240K, XLS240F), 12 W/°C (480 W), 24 W/°C (960 W) from 60 – 70 °C
Mounting 35 mm DIN rail (smallest in class per Product Overview); wall/panel brackets available (1606-XLA-W45, -XLE, -XLB, -XLC, -S37…S85)
Connection terminals Screw, cam-lock spring, spring-clamp, push-in, or plug/removable (per suffix code)
Enclosure dimensions (XLS family) 32 × 124 × 102 mm (XLS80E, 440 g) up to 125 × 124 × 127 mm (XLS960F, 1900 g)
Conformal coating Available on 'C' / 'CH' / 'CL' / 'CR' / 'CRH' / 'CRL' / 'CRZ' / 'CZ' suffix variants
Hazardous locations Class I, Div 2 Hazardous Location listing on most XLS, XLE, XLD, XLP families

Catalog Number Format

How to read an Allen-Bradley 1606 catalog number. Each position encodes a specific configuration attribute.

Position
Meaning
Example
1606
Bulletin number — Rockwell DIN-rail switched-mode power supply family
1606
XLE
Power supply family / type (a): XLB = Basic, XLD = DC-DC Converter, XLE = Essential, XLP = Compact, XLS = Performance
XLE = Essential Power Supply
480
Rated output wattage (b): 15, 25, 30, 36, 40, 50, 60, 72, 80, 90, 95, 100, 120, 180, 192, 240, 260, 480, 720, or 960 W
480 = 480 W
E
Output voltage class (c): A = 5 V, B = 10…15 V, C = ±12/15 V, D = 24 V, E = 24…28 V, F = 48…56 V, G = 36…43 V, M = 48 V
E = 24…28 V DC
P
Special features (d): blank = none, A = ATEX, C/CH/CL/CR… = conformal coated, D = extended DC input, E = Europe regional, H = push-in, L = spring-clamp, M = remote shutdown, N = North America, P = power factor correction, Q = NEC Class 2, R = redundancy built-in, S = output signal, T = extended temperature, X = semi-regulated, Y = load sharing, Z = plug/removable
P = power factor correction
-D
Multi-phase input variation (e): blank = single-phase, 2 = two-phase, 3 = three-phase, 3C = 3-phase conformal, 3E = 3-phase 400 V AC, 3N = 3-phase 480 V AC, D = 360…900 V DC only
(blank) = single-phase or leave off entirely

Communication Protocols

Supported industrial networks and field buses for the products covered by this publication.

DC-OK Relay Contact Volt-free (dry) relay contact on every XLS, XLE, XLD, XLP and XLB unit — signals output within ±10% of nominal to a PLC input DC-OK Status LED Green front-panel indicator on every family Parallel / Redundancy wiring Selectable single-or-parallel operation; N+1 or 1+1 redundancy via 1606-XLSRED / XLERED / XLPRED / XLBRED diode modules or XLSRED40…80 MOSFET modules DeviceNet Native on 1606-XLSDNET4 (NEC Class 2) and 1606-XLSDNET8 (NEC Class 1) — integrates power supply status onto the DeviceNet network Remote Shutdown Discrete shutdown input on XLE192BM, XLE80E, XLE480EM and other 'M' suffix variants DC-UPS Signalling Battery-status and capacitor-status signalling on 1606-XLS240-UPS / XLS480-UPS / XLSCAP24-6 / XLSCAP24-12 modules for controlled shutdown sequencing

Certifications & Compliance

CE Marked UL 61010-2-201 Listed (Safety of Control Equipment) cUL (CSA C22.2 No. 61010-2-201 equivalent) UL Listed NEC Class 2 'Limited Power' option (Q suffix; 1606-XLSDNET4, XLP15A, XLP90E-2, XLP95E, XLP100E-2, XLB60BH, XLB60E, XLB90EQ, XLDC92D) Class I, Division 2 Hazardous Location (most XLS, XLE, XLD, XLP families) ATEX (A suffix variants — e.g. 1606-XLS120EA, XLS240EA, XLS480EA, XLS960E) IECEx (on ATEX-rated variants) DNV GL Marine / Type Approval (most XLS, XLE, XLP families) EAC Registration (Russia / Kazakhstan / Belarus) RCM (Australia / New Zealand) CCC (China Compulsory Certification) SEMI F47 compliance (voltage sag immunity, XLS performance family) ODVA Approved (1606-XLSDNET4 / XLSDNET8)

Document Contents

Full PDF covers the following topics in detail:

  • Product Overview of the Bulletin 1606 DIN-rail power supply family and its five sub-families: XLS Performance, XLE Essential, XLD DC-DC Converter, XLP Compact, and XLB Basic
  • Full catalog-number explanation: power supply type, rated wattage, output voltage class, special-feature suffix codes, and multi-phase input variations
  • Product selection tables for all 1606-XLS Performance power supplies (15 – 960 W) including conformal-coated, NEC Class 2, and DeviceNet variants
  • Product selection tables for 1606-XLE Essential supplies, 1606-XLD DC-DC converters, 1606-XLP Compact, and 1606-XLB Basic families
  • Diode and MOSFET redundancy modules (1606-XLSRED, XLSRED40, XLSRED80, XLERED, XLPRED, XLBRED) for 1+1 and N+1 redundancy architectures
  • DC-UPS systems with lead-acid batteries and battery modules (1606-XLSBAT / XLSBATASSY / XLSBATBR series)
  • DC-UPS with capacitor storage (1606-XLSCAP24-6, XLSCAP24-12) and buffer modules (XLSBUFFER24, XLSBUFFER48, XLS960BUFFER)
  • Power Supplies with Integrated Decoupling Function (1606-XLE240ERL, XLE480ERL, hot-swap connector variants) for N+1 without external diode modules
  • Detailed specifications: output voltage and current, adjustment range, ripple & noise, efficiency, power losses, MTBF, lifetime, derating, dimensions, and weight
  • Standards Compliance matrix — CE, UL 61010-2-201, IECEx, ATEX, Class I Div 2, DNV GL Marine, EAC, NEC Class 2 — per catalog number
  • Mounting brackets for wall/panel mount without DIN rail and sideways installation (1606-XLA-W45, -XLE, -XLB, -XLC, -S37…S85)

Frequently Asked Questions

Which 1606 family should I pick — XLS, XLE, XLD, XLP, or XLB?
Pick XLS (Performance) when you need the widest input range, highest efficiency, Power Boost (150% for 5 s), 50% power reserves, and the best environmental ratings — it is Rockwell's flagship DIN-rail supply. XLE (Essential) gives you the same wide-range input and 120% boost at a lower price point, covering 80 – 960 W. XLP (Compact) is the smallest-footprint option for 15 – 100 W control-panel loads. XLB (Basic) is single-phase, no boost, push-in terminals — the economy choice for 36 – 480 W. XLD is a DC-DC converter (24 V → 24 V isolation, or 48 V → 24 V / 48 V step-down) for DC-bus architectures.
How do I build a redundant 24 V power supply with Bulletin 1606?
Two paths. (1) Add a dedicated redundancy module downstream of two standard supplies: 1606-XLSRED (20 A diode module), 1606-XLSRED40 / -XLSRED80 (40 / 80 A MOSFET modules with lower voltage drop), or 1606-XLERED / -XLPRED / -XLBRED for those families. Wire in 1+1 or N+1 topology. (2) Use 1606-XLE…ERL / -ERZ supplies with Integrated Decoupling — they have the redundancy diode built-in plus hot-swap connectors for field replacement without powering down the load. Both approaches require the upstream supplies to be set to parallel mode.
Can I run two 1606 supplies in parallel to increase output current?
Yes. Every XLS and XLE supply has a selectable single-or-parallel operating mode (see the Product Overview). Configure both units to parallel mode via the front-panel switch or DIP, then wire their outputs to a common bus. For dynamic load sharing, select units with the 'Y' suffix (load sharing). Note that paralleling for redundancy (fault tolerance) is different from paralleling for more current and should use a dedicated 1606-XLSRED / -XLERED decoupling module on the output.
Do the Bulletin 1606 supplies support PoE or PoE+ powered devices?
The 1606 family itself is a DC power supply, not a PoE injector — it delivers regulated 5 / 12 / 24 / 48 V DC to the DC bus. For PoE+ applications (48 V DC, up to ~30 W per port) the 48 V XLS / XLE / XLP variants are a natural fit: 1606-XLS240F (5 A), 1606-XLS480F (10 A), 1606-XLS960F (20 A), 1606-XLE480FP, or 1606-XLP100F (2.1 A) feed an upstream PoE+ switch. Always confirm the switch's 48 V input tolerance (typically 44 – 57 V DC); the XLS 48 V units adjust across 48 – 56 V.
Which 1606 catalog numbers are rated for Class I, Division 2 hazardous locations?
Per the Standards Compliance matrix (Publication 1606-TD002, pages 37 – 40), most XLS (Performance), XLE (Essential), XLD (DC-DC), and XLP (Compact) models carry the Class I, Div 2 HazLoc listing — examples include 1606-XLS80E, -XLS120E, -XLSDNET4, -XLS240E, -XLE120B, -XLE240E, -XLE480EL, -XLDC92D, -XLP15A, -XLP30E, -XLP50E. Fewer XLB (Basic) units carry the rating. Always confirm the specific catalog number against the standards table before specifying for a Div 2 install, and pair with the 'A' (ATEX) suffix if Zone 2 certification is also needed.
What DC input options are available if I'm powering from a battery or DC-bus?
Three options. (1) Most XLS and XLE AC/DC supplies also accept DC input: DC 110 – 150 V on most, DC 110 – 300 V on the 'D' (extended DC input) suffix variants (e.g. 1606-XLS240E-D, -XLS240F-D, -XLE240EP). (2) The XLD family is a pure DC-DC converter: 1606-XLDC92D (24 V in, NEC Class 2), -XLDF120E / -XLDD240E (48 V in → 24 V out), -XLDF240F (48 V in → 48 V out). (3) For intermediate DC-bus architectures (e.g. regen drives), 1606-XLS480E-D accepts DC 600 V input and outputs 24 V @ 20 A.

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